Reverse Dictionary: SLEEP

ADJECTIVES
► AKIP asleep → 1958 UK sl.
► ANAPPED sleepy, drowsy → 1300 obs.
► A-SLEEPIED sleepy, drowsy → 1898 Eng. dial.
► ASLEPT overcome with sleep → 1300 obs.
► ASLOPEN fallen asleep → 1602 obs.
► AT RUG asleep, in bed → 1811 sl.
► BLIND TO THE WIDE utterly and completely exhausted; very deeply asleep or unconscious → 20C sl., orig. US
► BO PEEP asleep → 2001 NZ sl.
► BREED SLEEP causing sleep or drowsiness; soporific → 1582 obs.
► BROKEN of sleep: interrupted, disturbed → 1576
► BURIED IN A NAPKIN asleep, stupid → 19C sl.
► BUZZED OUT asleep or in a stupor from taking too many drugs → 1998 US drug culture sl.
► BYE-BYE unconscious or asleep; hence, dead → 1913 Amer. sl.
► COKEY ► COKIE sleepy-looking → 1930 African-American sl.
► COMATOSE of a person or thing: extremely exhausted, lethargic, or sleepy → 2006 humorous usage (Bk.)
► CONKED OUT ► KONKED OUT collapsed, asleep → 1936 sl.
► CONSOPITE laid to sleep → 1647 obs.
► CRAPPED OUT asleep, collapsed → 1949 US sl.
► CRUMPED OUT fatigued; asleep → 1967 Amer. sl. (Bk.)
► DAUMERT sleepy, silly, bewildered → 1876 Sc.
► DEAD in a deep sleep → 1405 Eng. dial.
► DEAD FOR SLEEP deadly in need of sleep → 1957 Amer. dial.
► DEAD TO THE WIDE WORLD ► DEAD TO THE WORLD utterly and completely exhausted; unconscious, deeply and soundly asleep → 1889
► DEADO ► DEAD-OH deep asleep; unconscious → 1914
► DOPED OFF asleep → 1910s US sl.
► DOPEY ► DOPY 1. rendering one sleepy or comatose → 1899 US sl.
2. sleepy → 1906 sl., orig. US
► DORMANT sleeping, lying asleep or as asleep → 1623
► DORMIENT sleeping, dormant → 1643
► DORMIOUS sleepy → 1656 obs.
► DORMITARY causing sleep → 1609 obs.
► DORMITIVE sleeping through the winter → 1694 obs.
► DORMITORY tending to or causing sleep; sleepy, drowsy → 1631 obs.
► DORMOUSE dormouse-like, sleepy → 1616
► DOSSY sleepy, peaceful → 1738 UK sl.
► DOUBLE-BANKED sleeping two in a cabin → L19 nautical colloq.
► DOZED stupefied; drowsy, sleepy → 1659
► DOZY drowsy, sleepy → 1693
► FAST of sleep: deep, sound, unbroken → 1592 obs. exc. Eng. dial.
► FATHOMS UNDER deep asleep → 1968 Amer. dial.
► FISHING nodding, asleep → 1952 Amer. dial.
► FLAKED OUT exhausted, unconscious, asleep → 1943 colloq.
► FLAT-OUT lying completely stretched out; asleep, exhausted → 2006 (Bk.)
► FORSLEPT overcome with sleep → 1382 obs.
► FUZZY-HEADED suffering from lack of sleep or the after-effects of too much alcohol → 1996 Aust. sl.
► GAPESOME inclined to yawn or gape; sleepy → 1900 Eng. dial. (Bk.)
► GAPY inclined to yawn, sleepy, listless → 1900 Eng. dial.  (Bk.)
► GENTLE of sleep, rest, etc.: untroubled, undisturbed → 1567
► GONE asleep → 2003 US students’ sl.
► GONE TO THE LAND OF SHADOWS fallen asleep → 19C
► GRONKED tired out, fast asleep → 1967 US sl.
► HEAVY weary from sleep, sleepy, drowsy → 1382
► HEAVY-HEADED drowsy, sleepy → 1552
► HYPNAGOGIC inducing or leading to sleep → 1886
► HYPNIC of or pert. to sleep → 1886
► HYPNOPHOBIC having an extreme fear of falling asleep → 1855
► HYPNOPOMPIC that accompanies the process of awakening from sleep → a1901
► HYPNOTICAL hypnotic, inducing sleep; soporific → 1657 obs.
► INSOMNIOUS unable to sleep, sleepless → 1658
► INSOMNOLENT unable to sleep, sleepless → 1892
► INTERSOMNIOUS between sleeping and waking → 1846
► IN THE ARMS OF MORPHEUS sleeping → 1720
► IN THE ARMS OF MURPHY asleep → 1841
► LETHARGIC dull, sleepy, sluggish, apathetic → 1612
► LEVISOMNOUS watchful, soon waked; light-sleeping → 1656 obs.
► LIE IN THE WOOLLEN to sleep with a blanket next to one → 1300 obs.
► MAFFLED half asleep, dazed → 1920 Sc.
► MAWMSEY sleepy, stupid, esp. from want of rest or from over-drinking → 1879 Eng. dial.
► MORPHEAN sleepy, drowsy → 1641 literary & poetic usage
► MORPHETIC relating to sleep or dreams; sleepy → 1788
► NARCOLEPTIC tending to send a person to sleep; soporific, boring → 1984
► NODDING drowsy, sleepy → 1631
► NODDY sleepy , drowsy → 1801
► NODDY-HEADED sleepy-headed, dazed, as with drink → 1880 Sc. 
► OFFSHORE soundly sleeping → 1994 Amer. dial.
► ON THE GUR of a child: sleeping roughly → 1976 Ireland sl.
► ON THE KIP asleep → 1950 US sl.
► ON THE NOD falling asleep, exhausted from excess of any sort → 1890 sl.
► OPIATE inducing sleep or sedation → 1543
► OSCITANT sleepy, drowsy; yawning → 1625
► OUT FOR THE COUNT exhausted, asleep → 1911 US sl.
► OUT LIKE A LIGHT sound asleep → 1909
► OUT THE MONK unconscious, asleep, often from drunkenness → 1945 sl.
► OUT TO IT asleep → 1996 Aust. sl. (Bk.)
► OUT TO THE WIDE utterly and completely exhausted; very deeply asleep or unconscious → 20C sl., orig. US
► OUT TO THE WORLD asleep → 1996 Aust. sl. (Bk.)
► PEEPING drowsy, sleepy → 1673 sl. obs.
► PEEPY sleepy, drowsy→ 1674 colloq.
► PERDU sleeping or passing the night outside or out of bed → 1634 obs.
► PREDORMITAL occurring in the period immediately before falling asleep → 1939
► PROFOUND of sleep, silence, etc.: unbroken, complete → 1536
► QUIET acting or living quietly; remaining hid or secret; fast asleep → 1533 Sc. obs.
► RACKED asleep → 1972 US sl.
► RACKED OUT asleep → 1950s US sl.
► RAMISHED dazed, as from lack of sleep or from being suddenly awakened; stupefied, listless in a peevish, fretful way; esp. of a child → a1838 Sc.
► RATY dull, listless, sleepy → 1897 Eng. dial.
► SACKED OUT fast asleep → 1960 US sl.
► SACKED UP in bed or asleep → 1959
► SAD of sleep: sound, deep → 1425 obs.
► SASSLE sleepy, drowsy → 1904 Eng. dial. (Bk.)
► SEMISOMNOUS half asleep → 1873
► SLEEP-AWAKE in a state between sleeping and waking → 1614
► SLEEPERY having a tendency to sleep; sleepy → 1513 obs.
► SLEEPFUL sleepy → 1398
► SLEEPIFYING causing or inducing sleep → 1662
► SLEEPISH somewhat sleepy → 1530 obs.
► SLEEPRIFE bringing sleep, soporiferous → 1513 obs.
► SLEEP-SICK excessively given to sleep → 1605
► SLUMBERED sleeping; unconscious → 1590
► SLUMBEROUS ► SLUMBROUS inclined to slumber or sleep → 1495
► SLUMBERSOME slumberous, sleepy → 1884
► SLUMBERY slumberous, sleepy → 1386 obs.
► SNOOZY drowsy, sleepy, slumberous → 1877
► SNORY inclined to snore; sleepy, drowsy → 1837
► SOMNAICAL pert. to sleep or dreams → 1655 obs.
► SOMNAMBULANT sleepwalking → 1812
► SOMNAMBULAR pert. to sleepwalking → 1830
► SOMNAMBULIC walking during sleep → 1841
► SOMNICULOUS inclined to sleep; drowsy, sleepy → 1656
► SOMNIFEROUS 1. inducing sleep; soporific → 1602
2. somnolent, sleepy → 1798
► SOMNIFIC causing sleep → 1721
► SOMNIFUGOUS driving away sleep → 1721
► SOMNIFYING inducing sleep → 1661 obs.
► SOMNILOQUACIOUS talking or apt to talk in sleep → 1731
► SOMNILOQUENT talking in sleep → 1804
► SOMNILOQUOUS apt to talk in sleep → 1847
► SOMNOLENT 1. inclining to sleep; tending to cause sleepiness → 1475
2. inclined to sleep; heavy with sleep; drowsy → 1547
► SOMNOLESCENT sleepy, drowsy → 1845
► SOMNORINE seen during sleep → 1637 obs.
► SOPIT sunk in sleep, sorrow, etc. → 1528 Sc. obs.
► SOPITIVE causing sleep → 1727 obs.
► SOPORAL pert. to sleep → 1716 obs.
► SOPORIFEROUS 1. characterized by unnatural or excessive sleep; lethargic; said of a disease, morbid state, etc. → 1590 obs.
2. causing a person to sleep → 1601
3. drowsy, sleepy → 1607 obs.
► SOPORIFIC 1. tending to induce sleep; causing a person to sleep → 1690
2. drowsy, sleepy → 1841
► SOPOROUS sleep-bringing; causing a person to sleep → 1866
► SOUND of sleep: deep, heavy; unbroken or undisturbed → 1548
► SOUNDO sound asleep → 2004 sl. (Bk.)
► SPARKED OUT asleep, unconscious, exhausted → 2008 UK sl.
► SPARKERS asleep, exhausted → 1977 UK sl.
► SPARKO asleep, exhausted, unconscious → 2000 UK sl.
► SPARK OUT asleep, exhausted, unconscious → 1929 UK sl.
► STARTFUL of sleep: interrupted, fitful → 1798 obs.
► STARTLING of sleep: disturbed, fitful → 1599 obs.
► STRETCHY sleepy, languid; inclined to stretch and yawn → 1872 colloq.
► STRONG of sleep: deep, sound → 1490
► TAPIOCA asleep, exhausted → 1955 US sl.
► TOES’D UP ► TOES UP asleep → 1999 NZ prison sl.
► UNDERSLEPT having had insufficient sleep → 1943
► UNDER THE BLINKS asleep → L19 US sl.
► UNSOUND of sleep: broken, disturbed → 1584
► WAKE not sleeping, awake → 1414 obs. exc. Eng. dial.
► WAKEN awake; disinclined for sleep → 1872 Sc. & Eng. dial.
► WAKENSOME easily roused from sleep; sleepless → 1856 Eng. dial.
► WAKERIFE indisposed to sleep, wakeful → 1513 Sc. & Eng. dial.
► WEAK of sleep: poor, light; not deep → 1665
► WEIGHTED of the eyelids: heavy with sleep → 1895
► WELL AWAY asleep → 1945 UK sl.
► WINKING slumbery, sleepy → 1377 obs.
► WOKE awake, not asleep → 1891 orig. Amer. dial.
► WOOZY not fully alert and conscious; half-asleep; befuddled → 20C Amer. sl.
► Z’D OUT still sleepy; unable to wake up properly → 1986 US teen sl.

ADVERBS
► ADREAM dreaming, asleep → 1830 chiefly poetic usage
► AT RUG asleep, in bed → E19 sl.
► BROAD AWAKE fully woken from sleep → 1879
► BROAD WAKING fully woken from sleep → 1542
► DOWN in bed; asleep; especially used of a baby or child → 1849
► FAST OFF sleeping soundly; in a deep sleep → 1852 Brit.
► IN KIP in bed, asleep → 1914 UK sl.
► IN THE HAY asleep → 1912 US sl.
► LIGHTLY of sleep: not deeply or soundly → a1000
► NOT SLEEP A WINK not sleep at all → 1542
► OSCITANTLY in a sleep or drowsy manner → 1894 (Bk.)
► OVER falling or having fallen asleep → 1866 Sc. & N. Ireland
► SLUMBEROUSLY in a sleepy or drowsy manner → 1816
► SOUND ASLEEP fast asleep → 1597
► TIGHT ASLEEP soundly asleep → 1898
► WELL AWAY fast asleep → 1928

INTERJECTIONS & PHRASES
► ABLE TO SLEEP UPON A CLOTHES-LINE capable of sleeping anywhere or in any position → 1840 colloq.
► AS MORSE CAUSHG HIS MARE, NAPPING ► AS MOSS CAUGHT HIS MARE, NAPPING referred to catching someone asleep, hence by surprise → 1569
► AT NODDY nodding, napping, asleep → 1667 obs.
► AT THE INN OF THE MORNING STAR sleeping in the open air → 1880 colloq., obs.
► BALOO! ► BALOW! a word used in lulling children to sleep; hush! → 1724 Sc. & Eng. dial.
► CATCHING FLIES asleep with one’s mouth wide open; yawning → 1996 Aust. sl. (Bk.)
► CHECKING ONE’S EYELIDS FOR HOLES sleeping; having a nap → 1996 Aust. sl. (Bk.)
► CROSSING THE ALPINE MOUNTAINS sleeping with one’s head pillowed on a woman’s breast → 1850 UK criminals’ sl.
► DROP YOUR COCKS AND GRAB YOUR SOCKS! used to awaken a sleeping man or men → 1956 US sl.
► DUSTMAN’S COMING, THE you are getting sleepy → 1891 colloq.
► GONE TO THE LAND OF NOD asleep → 1786 UK sl.
► GO TO BEO go to sleep → 1891 Eng. dial.
► HERE’S A COUPLE OF MATCH-STICKS addressed to someone who is sleepy early in the day → L19 sl.
► HUSHABY! hush! and go to sleep → 1796 Eng. dial.
► LIVING WITH MRS. GREENFIELD sleeping in the open air → 1941 UK tramps’ sl.
► MY EYES DRAWS STRAWS I am very sleepy → 1738 UK obs.
► NOT BAT AN EYE not sleep a wink → 1846
► NOT BAT AN EYELID not sleep a wink → 1950
► ONE EYE DRAWS STRAW AND T’OTHER SERVES THE THATCHER he/she is half asleep → L18 colloq.
► PICK A SOFT PLANK! sleep easy! addressed to a young seaman sleeping on deck for the first time → M19 nautical usage
► SLEEP TIGHT, MIND THE FLEAS DON’T BITE a children’s bedtime catch phrase → L19
► WAKEY, WAKEY, EGGS AND BAKEY! used to call someone from sleep to breakfast → 2000 US sl.

NOUNS
► ADMIRAL’S WATCH a good sleep, esp. at night; a favourable opportunity to rest → c1905 sl.
► AGGIE EYES eyes that haven’t had enough sleep → Brit. sl.
► AWAKEDNESS an awakening from sleep → 1922
► AWAKING a rising or rousing from sleep → 1297
► BAKE a post-lunch sleep → 1894 Anglo-Indian military sl.
► BALALOO a lullaby; sleep → 1911 Sc. (Bk.)
► BALMY, THE sleep → 1841 sl.
► BANGE a rest, a sleep → 1847 Aust. sl.
► BEDDY-BAW a child’s word for bed or sleep → 1864 Sc. colloq.
► BEDDY-BYES a nursery word for sleep; also,  used for bed; often used to indicate to a child that it is time for bed → 1906
► BIG Zs sleep → 2006 US sl. (Bk.)
► BIRD CAGE a sleeping area in a flophouse → 1949 US sl.
► BLANKET DRILL sleep → 1922 military sl.
► BLIN’ a little sleep → 1911 Sc. (Bk.)
► BO-PEEP sleep → 1880 UK sl.
► BUG HUTCH a small hut or sleeping place → 1930 sl.
► BUNK FATIGUE a period of sleep or rest in bed; sleep → 1935 US military sl.
► BUNK HABIT the desire to sleep excessively, resulting from one’s addiction to narcotics → 1946 US drug culture sl.
► BY-BY ► BYE-BYE ► BYE-BYES a nursery word for sleep → 1853
► CATNAP a short, light sleep → 2006 (Bk.)
► CAT’S SLEEP a sham sleep → 1827
► CATAPHOR a deep sleep → 1656 obs.
► CATNAP a short period of light sleep → 1801
► CAT-NOD a short, light sleep, a nap → 1892 Eng. dial..
► CAT-SLEEP a catnap → 1837
► CAULK a short sleep → 1917 nautical sl.
► CAULKING a short sleep → E19 nautical sl.
► CHARPOY-BASHING sleeping; sleep → c1920 Royal Air Force sl.
► CONKOUT a going to sleep → 1940s Amer. sl.
► CONSOPITION a laying or lulling to sleep → 1651 obs.
► COOP a place, especially a patrol car, where police officers sleep while on duty → 1960s police sl.
► COTCH a place to sleep, rest, or sit temporarily → 1914 Jamaican
► CRASH 1. a nap, a sleep → 1986 sl.
2. a place to sleep → 2006 US sl. (Bk.)
► CRASH PAD a place to sleep in an emergency or for a single night → 1967 sl.
► CUBE a small partitioned space for working, sleeping, etc. → 1937 sl.
► CUBICLE a small sleeping chamber → 1483
► CUBICULUM a sleeping chamber → 1832
► CUPS sleep; implying that the sleep is as drunken one → 1944 African-American sl.
► DOG-NAP a brief or light sleep; a short nap taken while sitting → 1835 Amer. dial.
► DOG SLEEP ► DOG’S SLEEP 1. feigned or pretended sleep → 1614 obs.
2. a light or fitful sleep, easily interrupted → 1674
► DOR permission to sleep awhile → 17C Westminster School usage
► DORM 1. sleep, slumber, a doze → 1512 obs.
2. a place to sleep → 1900 sl.
► DORMER a sleeping chamber, a dormitory → 1605 obs.
► DORMITATION sleeping, falling asleep, drowsiness → 1564 obs.
► DORMITION a sleeping. a falling asleep → 1483
► DORMITORY a sleeping chamber; a room containing a number of beds for the inmates of a school, etc. → 1485
► DORSE sleep → 1823 sl.
► DORTER ► DORTOUR a sleeping room, bed-chamber, dormitory; especially that of a monastery → 1290 obs.
► DOSS 1. a place for sleeping in, a bed → 1789 sl.
2. sleep → 1857 sl.
► DOSS-DOWN a sleep → 1906 sl.
► DOSSLAND a sleep → 1944
► DOVER a light or fitful sleep; a doze → 1820 Sc. & N. Eng. dial.
► DOWNER a sleep → 1846 UK criminals’ sl.
► DOZEDNESS sleepiness, drowsiness → 1671
► DREAMLAND sleep or an unconscious state → 1908 US sl.
► DREAM SLEEP sleep in which dreams occur → 1902
► DROWSE a light sleep; a being half asleep → 2006 (Bk.)
► DUMP a rest, a sleep → 1967 Aust. sl.
► DUSTMAN a personification of sleep or sleepiness; in allusion to the rubbing of the eyes as if there was dust in them → 1821 colloq.
► DUCK REST a poor night’s sleep → 1965 Barbados sl.
► EGYPTIAN PT sleeping → 2004 UK sl. (Bk.)
► ENDYMIONY sleepiness like that of Endymion (a figure from Greek mythology known for his beauty and eternal, youthful sleep) → 1600
► ENTEETE a siesta or sleep at noon → 1900 Eng. dial. obs. (Bk.)
► EXPERGISCENCE an awaking from sleep → 1734 obs.
► EYE BOOGERS the small pieces of ‘sleep’ or mucus that collect in the corners of the eyes → 1989 US students’ sl.
► EYEFUL a small amount or short period of sleep → 1860
► FEATHER (AND FLIP) a sleep or a bed → 1934 UK rhyming sl. for ‘kip’
► FEATHERS sleep → 1977 US sl.
► FLEABAG a place for sleeping → 1811
► FLOP 1. a place to rest or sleep → 1910 US sl.
2. a sleep → 1916 US sl.
► FLOP ROOM the area of a tramps lodging house where one actually sleeps → 1916 US sl.
► FLOP-UP a rest; a lie-down; a night’s sleep → 1888 Amer. dial.
► FLYING TIME sleep → World War II US Armed Forces usage
► FORTY SNOOZEWINKS a short sleep → 2004 sl. (Bk.)
► FORTY WINKS a short sleep → 1830 colloq.
► FOX-SLEEP ► FOX’S SLEEP 1. a pretended sleep veiling extreme alertness → 1596
2. a drunken sleep → 1673 UK sl.
► FROUST ► FROWST extra sleep allowed on Sunday mornings and whole holidays → 1875 Harrow School usage
► GARDEROBE a private room or chamber as a sleeping apartment, a dressing room, etc. → 1450
► GLIFF a short sleep, a nap → 19C Sc.
► GLORY-HOLE a room between or below decks used as sleeping quarters for stewards → 1897 nautical usage
► GO-DOWN a spell of sleep → 1683 obs.
► GONK sleep → 1950 UK military sl.
► HA’PENNY DIP sleep → 2004 UK rhyming sl. for ‘kip’ (Bk.)
► HARE-SLEEP a very light sleep → 1699 obs.
► HAY, THE sleep, unconsciousness → 1967 US sl. (Bk.)
► HEAVE any place that a police officer hides to rest or sleep while on duty → 1958 US sl.
► HORIZONTAL EXERCISE sleep → 1907 US colloq.
► HORIZONTAL PLEASURE sleep → 1943 US sl.
► HURDLE a pallet for sleeping → 1722 US
► HYPNOLOGY the study of sleep → 1833
► HYPNOMANIA a mania for sleep → 1991 (Bk.)
► HYPNOPHOBIA an extreme dread or fear of falling asleep → 1834
► HYPNOPHOBY a dread of falling asleep → 1855
► HYPNOSOPHY knowledge of the phenomena of sleep → 1888
► INSOMNOLENCE sleeplessness → 1894 (Bk.)
► IRON SLEEP an extremely deep sleep → 1573 chiefly poetic usage
► JOCKEY’S (WHIP) a bed, a sleep → 1960 UK rhyming sl. for ‘kip’
► KAROS heavy sleep, torpor → 1598 obs.
► KINK a usually short sleep; a nap → 1929 Amer. nautical sl.
► KIP 1. a place to sleep → 1879
2. sleep or slumber; a nap → 1893 sl.
► KIP-DOWN sleep, a nap → 1950 UK sl.
► KIP-HOUSE a place to sleep → 1889
► KIPPER anywhere one can sleep; a hotel, dosshouse, one’s bed → 1922 sl.
► KIP-SHOP a place to sleep → 1932
► KIPSY the place where one sleeps → 1920 Aust. sl.
► LAND OF NOD, THE sleep → 1738
► LAY a place to sleep; a bed → 1919 US sl.
► LAY-DOWN 1. a sleep → 1849 sl.
2. a place to sleep → 1909 sl.
► LIB sleep → 1665 cant, obs.
► LIBKEN a place to sleep in → 1567 cant
► LITTLE BO-PEEP sleep → 1983 rhyming sl.
► LONG LIE a period of sleeping or resting in bed which extends beyond the usual time of rising → 1838 chiefly Sc.
► MERIDIATION a sleeping at noon; a midday nap; a siesta → 1623 obs.
► MERYL STREEP sleep → 1998 UK rhyming sl.
► MICROSLEEP sleep lasting for a very short period of time → 1945
► MIMIS sleep → 1997 UK students’ sl.
► MOEMOE sleep → 1938 Hawaii
► MORPHEUS a personification of sleep → 1706
► MURPHY the god of dreams, used with reference to his ability to induce dreams or sleep; sleep; a soporific substance, etc. → 1750 colloq.
► NAP a short sleep → c1696 sl.
► NAP OF SLEEP a short sleep, a doze → 1931 Amer. dial.
► NAPPISHNESS an inclination to nap; sleepiness → 1851 obs.
► NINE WINKS a few minutes of sleep during the day; a very brief nap → 1823 sl.
► NOCTAMBULATION a walking in one’s sleep → 1894 (Bk.)
► NOCTAMBULISM a walking in one’s sleep → 1894 (Bk.)
► NOD ► THE NOD sleep; a short sleep; a nap → 1610
► NOD ACT a sleep → 1788 sl.
► NODLAND a state of sleep → 1970 US sl.
► OBDORMITION a falling asleep, or the condition of being asleep; a sleeping soundly → 1634 obs.
► OCEAN DEEP sleep → 1914 Aust. & NZ rhyming sl.
► ONEIRODYNIA disturbed sleep, including that in which nightmares and sleepwalking occur → 1800
► O SIGN the persistently gaping, open mouth of a patient who is asleep, or in a coma, dying, or dead → 1980 medicine sl.
► OVERSLEEP excessive sleep; sleeping beyond the time at which one ought to wake up → a1000
► PAD a place to sleep → 1914 colloq., orig. criminals’ sl.
► PAD DUTY sleeping; a lying down to rest → 1945 US sl.
► PAD MONSTER sleepiness, the result either of boredom or exhaustion → 1968 sl.
► PALLET an inferior bed or sleeping place → 1370
► PANDICULATION a stretching of one’s self, as when sleepy or drowsy → 1894 (Bk.)
► PEEPS sleep → 2004 sl. (Bk.)
► PIT a sleeping place, a bed, a bunk → 1948 UK sl., orig. Military usage
► PITCH a short sleep → 1870 sl., obs.
► RACK a bed; hence, sleep → 1944 sl., orig. US military usage
► RACK ATTACK the sudden onslaught of sleepiness → 1968 US students’ sl. (Bk.)
► RACK DUTY sleep → a nap sleep → 1960 US sl.
► RACK LAB a period of sleep during the day → 1966 US students’ sl. (Bk.)
► RACK MONSTER sleepiness, the result either of boredom or exhaustion → 1968 sl.
► RACK TIME sleep; a nap → 1990 US sl.
► RIGHTEOUS NOD a good night’s sleep; a refreshing sleep → 1947 African-American sl.
► RIP VAN WINKLEDOM a state of prolonged sleep → 1956
► ROBERT a sleep, a nap; a spell off duty → 1935 nautical sl.
► ROLLING DEEP sleep → 2002 Aust. rhyming sl.
► ROOST a place to sleep in, a bed → 1607
► RUM SNOOZE a sleep induced by alcohol → 1789 UK criminals’ sl.
► SACK DRILL sleep; also time spent in bed → 1946 sl., orig. US services’ usage
► SACK DUTY sleep; also time spent in bed → 1943 US Naval sl.
► SACK TIME sleep; time spent in bed → 1944 sl., orig. US services’ usage
► SAND-MAN in nursery language: a personification of sleep or sleepiness → 1861
► SCOTCH an improvised place to sleep → 1996 Barbados
► SHACK FEVER fatigue; sleepiness → 1967 US tramps’ sl. (Bk.)
► SHAKEDOWN somewhere to sleep, an impromptu bed → 1754 sl.
► SHUT-EYE sleep → 1896 colloq.
► SIGSTER a nap; a short sleep → 1830 UK sl.
► SINK BEDROOM a small alcove off a kitchen where older people could sleep warmly in winter → 1949 Amer. dial.
► SKIP a place to sleep → 2004 sl. (Bk.)
► SKIPPER 1.a barn, outhouse, or shed, used as a sleeping-place by vagrants → 1567 cant obs.
2. a sleeping place for a vagrant; an act of sleeping rough → 1935 Brit. sl.
► SKIPPERING sleeping rough → 1835 UK sl.
► SLAUGHT a spell of sleep → 1400
► SLEEPS, THE sleep → 1899 US sl.
► SLEEP-STOUR signs of sleep; ‘sleep-dust’ → 1888 Sc.
► SLEEPSVILLE ► SLEEPVILLE sleep → 1901 US sl.
► SLEEPY-BAW a nursery name for sleep → 1907
► SLEEPY-SEEDS the mucus secretion that forms about the eyelids during sleep → L19 nursery sl.
► SLOOM a gentle sleep or slumber; a light doze → a1000 obs. exc. Sc. & Eng. dial.
► SMUT matter that forms in the eyes when one is sleeping → 1981 Amer. dial.
► SNATCH a short spell of sleep or slumber → 1820
► SNOOSE ► SNOOZE a short sleep → 1753 sl.
► SNOOZEM a sleep, a nap → 1838 sl.
► SNOOZINESS a being snoozy or sleepy → 1887
► SNOOZLEYWINK a nap, a brief or light sleep → 1901 Aust. sl.
► SNORE 1. a sleep’; sleep in general → 1905 Brit. sl.
2. a bed or place to sleep, esp. a doss-house → 1959 Aust. & UK sl.
► SNOREMANS sleep → Brit. sl.
► SNORE-OFF 1. a short sleep, esp. a nap after drinking → 1928 sl., chiefly Aust. & NZ
2. a place to sleep → 1956 Aust. sl.
► SNORESVILLE ► SNOREVILLE bedtime; sleep → 1893 sl.
► SOFT PLANK a relatively comfortable place to sleep or rest → 1794 nautical sl.
► SOG a drowsy or lethargic state; a sleep, doze, stupor → 1874 Eng. & Amer. dial.
► SOLO SACK TIME time spent in sleeping alone → 1946 US sl.
► SOMNAMBULATION a walking in sleep → 1794
► SOMNAMBULISM a walking about and performing other actions while asleep; sleepwalking → 1797
► SOMNIATION a sleep; a dream → 1598 obs.
► SOMNICULOSITY sleepiness, drowsiness → 1721
► SOMNIFERY a place of sleep → 1600 obs.
► SOMNIFUGE a means of driving away sleep → 1890
► SOMNILOQUY a speaking while asleep → 1847
► SOMNOLENCE inclination to sleep; sleepiness, drowsiness → 1386
► SOMNOLESCENCE a being sleepy; inclination to sleep → 1831
► SOMNOLISM a being in a mesmeric sleep → 1849
► SOOTY AND SWEEP sleep → 2004 UK rhyming sl.
► SOPITION a putting to sleep, making inactive, drowsy, etc. → 1646 obs.
► SOPOR a deep or unnatural sleep or state of sleep → 1675
► SOPORATION a putting or lulling to sleep → 1658 obs.
► SOUND a deep or sound sleep → 1867 Eng. dial.
► SPINE-BASHING loafing, sleeping, lying down → 1996 Aust. sl. (Bk.)
► SPOT a short sleep → 1967 US sl. (Bk.)
► STAR PITCH a sleeping in the open air → 1890 UK & US tramps’ sl.
► STRETCH OFF THE LAND, A a short sleep → L19 nautical colloq.
► STY a sleeping place no better than a pigsty → 1605
► SUBETH unhealthy or morbid sleep → 1398 obs.
► SWEVEN sleep → a1000 obs.
► SWEVET sleep, slumber → a1000 obs.
► SWOON a deep or sound sleep → 1590 obs.
► SWOW a state of sleep or trance → 1403 obs.
► TAMMIE NODDIE a child’s name for sleep, the sandman, Willie-winkie → 1972 Sc.
► TIGHT-EYE  sleep → 1938 Amer. dial.
► TREACLE SLEEP a deep, unbroken sleep; a sweet, refreshing sleep → 1841 colloq.
► TURN-IN a going to bed; a sleep → 1833 obs.
► UNDERMEAL an after-dinner nap or sleep → 1426 obs.
► UNSLEEPING lack of sleep → 1425 obs.
► VESTRY the smiling of infants in their sleep → 1905 Eng. dial. (Bk.)
► WALNUT WHIP a sleep → 1998 UK rhyming sl. for ‘kip’
► WANKING PIT a bed or other place for sleeping → 1944 UK Military sl.
► WINK a short spell of sleep; a nap → 1362
► WINKING a slumbering, sleeping; a doze, a nap → 1175 obs.
► YEN SLEEP a restless, drowsy sleep that accompanies opiate withdrawal → 1971 US drug culture sl.
► ZED a sleep, a nap → 1993 sl., orig. African-American
► Z-ING snoring, sleeping → c1965 Amer. dial.
► ZIZ ► ZIZZ a short sleep → 1912 colloq.
► ZIZZING a having a short sleep or snap; sleeping → 1942 colloq.
► ZIZZY a sleep, a nap, a snooze → 1945 World War II Brit. armed forces

NOUNS – PERSON
► AGGIE EYES a person who hasn’t had enough sleep → 2004 UK sl. (Bk.)
► BULKER a person who sleeps in the street → 1674 UK sl.
► BUNK LIZARD a chronic sleeper → World War I Amer. sl.
► COCK a person who rouses others from sleep → 1405 obs.
► DORMOUSE a sleepy or dozing person → a1568
► DROPSEY ► DROPSY a person who ‘drops off’ to sleep → 1836 sl.
► EXCITATOR a person whose business it is to rouse others from sleep → 1688 obs.
► FUZ-CHATS those who sleep in the open air → 1906 US tramps’ sl.
► GO-TO-BED a person who is sleepy or ready to go to bed → 1756 obs.
► GUEST LECTURER anyone who is certain to put his audience to sleep → 1969 US Air Force Academy cadets’ sl. (Bk.)
► HAPPY DOSSER a person who sleeps where he can → 1884 sl.
► HORIZONTAL CHAMPION one with an infinite capacity for sleep → c1930 Royal Navy sl.
► JOHN-A-NODS a person who is drowsy or falling asleep → 1600 obs.
► JOSH a sleepy fellow → M19 sl., obs.
► LETHARGY a lethargic or sleepy person → 1634 obs.
► MAUNDERER a grumbler; one who talks in his sleep → 1905 Eng. dial. (Bk.)
► NOCTAMBULIST a person who walks in his sleep → 1894 (Bk.)
► NOCTAMBULO a person who walks in his sleep by night → 1894 (Bk.)
► NOCTAMBULON a person who walks in his sleep by night → 1894 (Bk.)
► NODDY a sleepy head → 1880 Sc. 
► RACK MONSTER a person who sleeps a lot → 2004 sl. (Bk.)
► RUM-SNOOZER a person who sleeps soundly → 1786 UK sl.
► QUEER ROOSTER a person who shams sleep to listen to conversation → 1789 UK sl.
► SACK-ARTIST a person who is overfond of sleeping → 1945 US sl.
► SACK HOUND a lazy person who is overly fond of sleep → 1959 US sl.
► SACK RAT a lazy person who is overly fond of sleep → 1947 US sl.
► SAD SNORE FROM SINGAPORE a heavy sleeper → 1945 jive usage (Bk.)
► SHACK-ROUSER ► SHACK-ROUSTER one who awakens workers from sleep → 1942 Amer. dial.
► SKIPPER a person who sleeps rough; a vagrant → 1925 cant
► SLEEPY-HEAD a sleepy or lethargic person → 1577
► SLEEPY-WALKER a sleepwalker → 1887 lower classes’ colloq.
► SNORE-PIG a heavy snorer; one who grunts in his sleep → Brit. sl.
► SOMNAMBULANT a person who sleepwalks → 1661
► SOMNAMBULIST a person who walks while asleep → 1794
► SOMNIFICATOR a person who induces sleep → 1806
► SOMNILOQUIST a person who speaks while asleep → 1834
► SOMNIVOLENT a person who desires to sleep → 1884
► SOMNOLENT a sleepy person → 1841
► SOPORIFIC a sleepy person → 1808
► TAMMIE NODDLE a sleepy-headed person → 1972 Sc. 
► TOP a sound sleeper → c1616 obs.
► WAKERIFE a bad sleeper → 1845 Sc. (Bk.)
► YAWNEY a stupid, lazy, sleepy person; a fool → 1876 Eng. dial. 

VERBS
► ABRAID to start from sleep, to wake up → a1000 obs.
► ADAW to wake from sleep → c1400 obs.
► AFFRAY to disturb from sleep, rest, etc.; to startle, to alarm → 1400 obs.
► AMP to be anxious, restless; to be unable to sleep → 1914 Sc.
► ASS OUT to go to sleep → 2000s US students’ sl.
► ASWEVE to put to sleep; to stun → a1000 obs.
► AWECCHE to arouse from sleep, a faint, etc.; to wake someone up → a1000 obs.
► BAA to lull to sleep → 1706 Sc.
► BAG ► BAG IT to go to bed; to sleep → 1968 Amer. students’ sl.
► BAG SOME Z’S to sleep → 1963 US sl.
► BAG Z’s ► BAG ZEDS to nap, to sleep → 1963 US sl.
► BANGE to rest, to sleep → 1885 Aust. sl.
► BATCAVE to sleep → 1981 US students’ sl.
► BAW to lull, to hush a child to sleep → 1711 Sc.
► BEAT THE HAY to sleep → 1908 US sl.
► BEAT THE MAN to sleep → 1990 US sl.
► BEAT THE SHEETS to sleep soundly → 1954 Amer. sl.
► BE BURIED IN A NAPKIN to be asleep → 19C colloq., obs.
► BED DOWN to settle a person or animal down to sleep for the night → 2006 (Bk.)
► BEE-BAW to lull to sleep; to sing a lullaby → 1849 Eng. dial.
► BENCH to sleep on a public bench → 1929 US sl.
► BE ON THE GAPE to be inclined to yaw, to be sleepy → 1900 Eng. dial.  (Bk.)
► BE UNDER THE BLUE BLANKET to sleep in the open air → 1897 sl. (Bk.)
► BLIN’ to close the eyes in sleep → 1911 Sc. (Bk.)
► BLINK 1. to look up from sleep; to open the eyes → 1303 obs.
2. to go to sleep → 1859 US criminals’ sl.
► BLOW THE GRAMPUS to throw cold water on a man who has fallen asleep when on duty → 1897 nautical sl., obs. (Bk.)
► BLOW Z’s to sleep or nap; to snore → 1968 Amer. dial.
► BOMB OUT to sleep → 1969 US students’ sl. (Bk.)
► BO-PEEP to sleep → 1944 UK rhyming sl.
► BRAID to start out of sleep or a swoon; to awake → 1275 obs.
► BUNDLE to sleep in one’s clothes on the same bed or couch with (formerly customary with persons of opposite sexes in Wales and England) → 1781
► BUNGIDOO to go to sleep → 1930 Aust. sl.
► BUNK to sleep, to stay the night → 1840 US sl.
► BUNK DOWN to go to bed → 1940 colloq.
► BUNK IT to go to bed, to sleep in a bunk rather than a bed; to sleep in any rough, makeshift manner → 1861
► BUST ONE’S CONK to go to sleep → 1938 US sl.
► BUST SOME Z’s to have a nap, to sleep → 2002 US sl.
► BYSS to sing or hum children to sleep → 1440 obs.
► CACK ► CAK to fall asleep → 1890 sl.
► CALL 1. to rouse a person from sleep → 1548 obs.
2. to rouse a person from sleep, especially at a prearranged time → 1570
► CAMP to sleep or rest in an unusual p lace or at an unusual time → 1893 Aust. colloq.
► CAP OUT to fall asleep → 1970 US sl. (Bk.)
► CARK ► KARK to fall into a drunken sleep → 2003 NZ sl.
► CARRY THE BANNER to walk the streets all night; to endure the hardship of loss of sleep → 1914 criminals’ sl. (Bk.)
► CATCH to get sleep, rest, etc.; to take a short sleep, often in an unplanned way, and often usually between other activities → 1330
► CATCH FORTY WINKS to have a short restful sleep → 1996 Aust. sl. (Bk.)
► CATCH OFF TO SLEEP to go to sleep → 1865 Eng. dial.
► CATCH SOME WINKS to have a nap; to sleep → 2001 US sl.
► CATCH SOME Z’s to sleep → 1963 US sl.
► CATCH THE BIRD to have a short sleep → L19 nautical sl.
► CATNAP to sleep lightly and for a short period of time → 1823
► CAULK to sleep → 1818 nautical sl.
► CAULK A NOD to take a nap, to sleep; to go to bed → 1967 Amer. dial.
► CAULK OFF to take a nap, to sleep; to go to bed → 1925 US Navy usage
► CLEAR THE COBWEBS to clear the head or mind of the effects of sleep, alcohol, etc.; to become lucid → 1996 Aust. sl. (Bk.)
► CLOCK UP Z’s to sleep → 1995 Aust. & African-American sl.
► CLONK OUT to fall asleep; to pass out → 1917 UK sl.
► CLOSE AN EYE to go to sleep → 1608
► CLOSE ONE’S PEEPERS to go to sleep → 1897 Amer. dial. (Bk.)
► COLLAR A NOD to sleep, to take a nap → 1942 African-American sl.
► CONK OFF to go to sleep; to sleep → 1946 Amer. sl.
► CONK OUT ► KONK OUT to fall asleep → 1917 UK sl.
► CONSOPITE to lay or lull to sleep → 1647 obs.
► COOP to sleep or rest while on duty, as in a motel room or similar hideaway → 1933 US police sl.
► COP A NOD to have a nap, to go to sleep → 1947 US sl.
► COP A SNOOZE to have a nap, to go to sleep → 1938 US sl.
► COP OUT to go to sleep → 1959 African-American & jazz sl.
► COP SOME Z’s to get some sleep → 1967US sl.
► CORK DOWN ► CORK OFF to go to bed; to sleep → 1906 Amer. sl.
► CORK OUT to fall asleep → 1960 sl.
► CO-SLEEP to sleep in the same bed or room as a member of one’s family of another generation; usually used of a parent and child → 1966
► COTCH to sleep or stay somewhere temporarily → 1950 Jamaican
► COUCH to lie in a place of rest; to lie at rest or in sleep → 1380 arch.
► COUCH A COD’S HEAD to lie down to sleep → 1570 sl. obs.
► COUCH A HOG’S HEAD to lie down to sleep → 1518 sl. obs.
► COUCH A PORKER to lie down and sleep → 1728 UK sl.
► COUCH SURF to sleep overnight on a couch, or similar makeshift accommodations, as a house guest; to do this in a series of homes, often as a substitute for permanent housing → 1993
► COUNT Z’s to sleep, to have a nap → 1965 US sl.
► COVER WITH THE MOON to sleep in the open air → 1931 US tramps’ sl.
► CRAP OUT to fall asleep; to become exhausted → 1944 US sl.
► CRASH to fall asleep, especially when thoroughly exhausted → 1935
► CRASH OUT to sleep, to collapse exhausted → 1985 Aust. sl.
► CRASH THE SWEDE to go to sleep → 1945 UK sl.
► CRIB to sleep → 1993 sl.
► CRUISE to sleep soundly → 1982 US students’ sl.
► CUDDLE to curl oneself up in going to sleep; hence, to lie down to sleep → 1822
► CURL UP to settle down to sleep with the knees drawn up comfortably → 1910
► CUT IT OFF to sleep → 1930 US sl.
► CUT SOME Z’s ► CUT THE Z’s ► CUT Z’s to sleep → 1967 US sl.
► CUT SOME ZULUS ► CUT ZULUS to have a nap; to sleep → 1966 US sl.
► DAW to awake from sleep → 1330 obs.
► DIE ON SOMEONE to fall asleep in someone’s company → 1996 Aust. sl. (Bk.)
► DIG ONESELF A NOD to get a night’s sleep → 1967 US sl. (Bk.)
► DILL to soothe; to allay, to assuage, to deaden or take away pain; to still, to deaden sound; to lull a child to sleep; to render insensible by an anaesthetic → 1775 Sc. & Eng. dial.
► DISEASE to disturb or startle a person from sleep, rest, etc. → 1413 obs.
► DISSLEEP to rouse from sleep or a swoon → 1616 obs.
► DO A DOSS to go to sleep → 1890 UK sl.
► DO A KIP to sleep → 1918 Amer. sl.
► DO A SKIPPER to sleep rough → 1881 UK sl.
► DO A STAR PITCH to sleep in the open air → 1897 sl. (Bk.)
► DO A STARRY to sleep in the open air → 1926 UK criminals’ sl.
► DO THE DOWNY to lie in bed, to sleep → 1860
► DODDLE to nod the head drowsily; to become sleepy or drowsy → 1900 Eng. dial. (Bk.)
► DODGE to nod when sleepy → 1896 Amer. dial. (Bk.)
► DOPE OFF to fall asleep; to sleep very soundly, as if drugged → 1918 US sl.
► DORSE A DARKEY ON THE QUEER ROOST to fake sleep in order to overhear conversation → 1801 UK sl.
► DO SKIPPERS to sleep rough → 1961 UK sl.
► DO SOME Z’s to have a nap; to sleep → 1967 US sl.
► DOSS to sleep; especially to sleep at a common lodging-house or ‘doss-house’ → 1747 sl.
► DOSS DOWN to sleep; especially to sleep at a common lodging-house or ‘doss-house’ → 1892 sl.
► DOSS IN HEDGE-SQUARE to sleep in the open air → 1897 sl. (Bk.)
► DOSS IN THE PURE to sleep in the open air → 1890 UK vagrants’ sl.
► DOSS OUT to sleep in the open air → 1883 sl.
► DOSS WITH THE DAISIES to sleep in the open air → 1897 sl. (Bk.)
► DOVER to slumber, to be in a state betwixt sleeping and waking; to doze → 1806 Sc. & N. Eng. dial.
► DOW to fall into a sleepy state → 1502 Sc. & N. Eng. dial.
► DOZE IT to sleep drowsily; to be half asleep → 1693 obs.
► DRAVEL to sleep unsoundly, to have troubled sleep → a1400 obs.
► DRAW STRAWS to show signs of sleep → 1672
► DREAM OFF to fall asleep on the job, to drift off → 1935 US sl.
► DRETCH to trouble in sleep → 1275 obs.
► DRILL to sleep → 2004 UK sl. (Bk.)
► DROP OFF to go to sleep → 1820 Brit. sl.
► DROWSE to be half asleep; to be drowsy → 1598
► ENSLUMBER to lull to sleep → 1610 obs.
► FALL OUT 1. to fall asleep, often when overcome by drug consumption or excessive drinking → 1884 US sl.
2. to go to sleep → 1970 US sl. (Bk.)
► FALL OVER to fall asleep → 1752 Sc.
► FLACK ► FLACK OUT to collapse in exhaustion; to go to sleep → 2006 US sl. (Bk.)
► FLAKE to go to sleep; to get away; to leave → 1970 US sl. (Bk.)
► FLAKE DOWN to go to bed; to go to sleep → 2006 US sl. (Bk.)
► FLAKE OUT to fall asleep from exhaustion, drunkenness, etc. → 1942 US Navy sl.
► FLEMISH DOWN to lie down to sleep → 1966 Amer. dial.
► FLOP to go to sleep; to go to bed → 1907 US sl.
► FOLD to fall asleep → 1932 sl.
► FOX to feign sleep → 1896 US sl.
► GAIN of sleep: to come upon a person → 1540 obs.
► GATHER STRAWS of the eyes: to be sleepy → 1825
► GAUCH ► GOUCH to fall asleep, whether through exhaustion or an excess of drink or drugs → 1994 sl.
► GET A WINK OR TWO OF THE BALMY to go to sleep → 1840 sl.
► GET DOWN TO IT to fall asleep → 1900 sl. orig. Aust.
► GET HORIZONTAL to lie down, to go to sleep → 1889 sl.
► GET ONE’S HEAD DOWN to have a sleep → 1868 colloq., orig. UK
► GET ONE’S SLEEP OUT to sleep until one wakes naturally → 1685
► GET SOME TIGHT-EYE to go to bed, to go to sleep  → 1967 Amer. dial.
► GET SOME Z’s ► GET THE Z’s to sleep → 1963 US sl.
► GIVE COLD PIG to waken a sleeping person either by sluicing him with cold water, or by suddenly stripping him of his bedclothes → 1818 sl.
► GOBBLE FLIES when sleepy; to open one’s mouth wide and take a deep breath → 1967 Amer. dial.
► GO BEDDY-BYE to go to sleep → 1906 juvenile sl.
► GO BYBY ► GO BYE-BYE ► GO TO BYE-BYE to go to sleep → 1864 sl.
► GO DODO to go to sleep, to take a nap → 1968 Amer. dial.
► GO DOWN WITH IT to fall asleep → 1900 sl., orig. Aust.
► GO INTO THE PEASE-FIELD to fall asleep → 1670 colloq.
► GONK to sleep → 1987 UK sl.
► GOOF ► GOOF OFF to go to sleep, esp. under the influence of drugs → 1949 US drug culture sl.
► GO OFF to go to sleep → 1845 sl.
► GO OUT LIKE A LIGHT to go to sleep → 1909
► GO SHUT-EYE to go to sleep → 1927 US sl.
► GO TO BEE-BO to go to sleep → 1898 Eng. dial. (Bk.)
► GO TO NAPPER’S HOUSE to go to sleep → 1944 Amer. dial.
► GO TO NAPPY’S HOUSE to go to sleep → 1966 Amer. dial.
► GO TO PEEPY-BY to fall asleep → 1840 colloq.
► GOUGE to fall asleep, whether through exhaustion or an excess of drink or drugs → 1994 sl.
► GRAB A FEW Z’s ► GRAB SOME Z’s to have a nap; to sleep → 1967 US sl.
► HAGRIDE to harass, to torment, esp. during sleep; to cause nightmares or nightmare-like experiences → 1893 Sc. & Amer. dial.
► HAUL OFF AND TAKE A BINGE to go away to get a sleep → 1880 nautical sl.
► HAVE A BINGE to get a sleep → 1880 nautical sl.
► HAVE A BIT OF A LIE DOWN to have a short sleep or rest → 1996 Aust. sl. (Bk.)
► HAVE A DOSE OF THE BALMY to sleep → 1881 sl.
► HAVE A GOOD NIGHT to sleep soundly and restfully → 1580
► HAVE A WINK IN ONE’S EYE to feel sleepy → 1850 Aust. colloq.
► HAVE DUST IN THE EYES to be sleepy → 1897 colloq. (Bk.)
► HAVE FEATHERS IN THE HAIR to be sleepy → 1940 Amer. dial.
► HIT IT to go to sleep → 2005 sl.
► HIT SOME Z’s to sleep → 1985 US sl.
► HIT THE BAG to go to bed, to go to sleep → 1960s US sl.
► HIT THE COT to go to bed, to sleep → 1996 Aust. sl. (Bk.)
► HIT THE FELT to go to sleep → 1996 Amer. dial. (Bk.)
► HIT THE HAY to lie down to sleep → 1913 Amer. dial. (Bk.)
► HIT THE KAPOK to go to bed, to sleep → 1996 Aust. sl. (Bk.)
► HIT THE KNOTS to sleep; to snore → 1967 US sl. (Bk.)
► HIT THE RACK to go to bed; to go to sleep → 1961 US sl.
► HIT THE SACK to go to sleep → 1939 US sl.
► HIT THE TICK to go to bed, to go to sleep → 20C US sl.
► HOG IT to sleep deeply, especially when accompanied by heavy snoring → 1945 UK sl.
► HOT-BUNK to sleep in turns or rotation on a bunk or in a sleeping bag → 1945 US sl.
► HUDDLE to sleep on duty → 1973 US police sl.
► HUSHABY to lull to sleep → 1848
► INSOMNIATE to put to sleep → 1657 obs.
► JOUK to lie asleep or at rest → 1374 obs.
► JUMP IN THE BAG to go to bed, to go to sleep → 1963 US sl.
► KACK to fall asleep → 1959 US sl.
► KEEP OPEN HOUSE to sleep in the open air → 1850 sl.
► KIFF OFF to fall asleep → 1969 US sl.
► KIP ► KIPP 1. to sleep or take a nap → 1889 sl.
2. to sleep on the streets → 1971 US criminals’ & teen sl.
► KIP DOWN to prepare for sleep → 1915 UK sl.
► KIP OUT to sleep in the open air → 1960 UK sl.
► KNOCK A NOD to have a sleep → 1934 African-American sl.
► KNOCK AUNTIE FLORA to sleep on the floor → 1996 W. Indies
► KNOCK THE PAD to go to bed → 1967 US sl. (Bk.)
► LAY DOWN ONE’S HEAD to go to sleep → 1526
► LAY ONE’S EYES TOGETHER to get to sleep → 1580 obs.
► LEM to fall asleep immediately after smoking marijuana → 2001 US drug culture sl.
► LETTY to sleep → 2019 sl.
► LIB to lie down, to sleep → 1567 cant obs.
► LIE HEADS AND TAILS to sleep packed sardine fashion, i.e. heads to head-rail and foot-rail alternately → 1860 colloq.
► LIE ROUGH 1. to sleep or live in uncomfortable conditions, now typically out of doors → 1672
2. to go to sleep without first removing one’s clothes → 1698 UK sl.
► LIGGEN to sleep → 1610 UK sl.
► LIVE ROUGH to sleep or live in uncomfortable conditions, now typically out of doors → 1996
► LOCK to hold in a deep state of sleep, concentration, etc. → 1544
► LULLABY to sing to sleep → 1593
► MAKE SOME Z’s to have a nap; to sleep → 1967 US sl.
► MAX OUT to go to sleep → 1970s US students’ sl.
► MOEMOE to sleep, to lie down → 1938 Hawaii
► NIP to sleep → 1914 Aust. sl.
► NOD to fall asleep or into a daze → 1425
► NOD OFF to fall asleep, especially briefly or unintentionally → 1684
► NOD OUT to fall asleep, esp. under the influence of a drug → c1953 Amer. sl.
► OUTSLEEP 1. to sleep beyond a specified time, etc.; to oversleep → 1563
2. to sleep longer than → 1627
► OVERLAY to oversleep → 1969 Amer. dial.
► PAD DOWN to go to bed, to sleep → 1953 US sl.
► PAD OUT to go to bed, to sleep → 1959 US sl.
► PAN OUT to collapse; to fall asleep → 2017 Irish sl.
► PASS OUT to fall asleep, usually as a result of drink or drugs → 1927 US sl.
► PASS OUT LIKE A LIGHT to go to sleep → 1924
► PEEP to sleep → 1699 rhyming sl.
► PHASE OUT to fall asleep, to become unaware → 2004 US sl. (Bk.)
► PICK STRAWS to show signs of sleep → 1796 sl.
► PICK UP SOME Z’s to have a nap; to sleep → 1982 US sl.
► PIG TOGETHER to huddle, live, or sleep together, esp. in a crowded or disorderly way or in dirty conditions → 1637 colloq.
► PILE UP THE Z’s to sleep → 1982 US sl.
► PITCH to have a short sleep → 1870  sl., esp. among bakers, etc.
► PLANK IT to sleep on or as on a plank; to sleep on a hard surface, as the deck of a ship, etc.; to sleep on the floor → 1829 obs.
► PLAY POSSUM to feign sleep → 1999 Aust. sl. (Bk.)
► PLAY THE NOD to go to sleep as a result of injecting a narcotic drug → 1937 US drug culture sl.
► PLOUGH THE DEEP ► PLOW THE DEEP to sleep; to go to sleep → 1788 rhyming sl.
► POP SOME Z’s to have a nap; to sleep → 1970 US sl.
► POSSUM to pretend to be asleep, dead, etc.’ to ‘play possum’ → 1832 US colloq.
► POUND ONE’S EAR ► POUND THE EAR to sleep, especially heavily → 1885 Amer. sl.
► POUND ONE’S PILLOW ► POUND THE PILLOW to sleep → 1930 sl., chiefly US
► POUND THE AIR to sleep → 1920s US criminals’ sl.
► POUND THE BELL to sleep → 1950 US sl.
► POUND THE HAY to sleep → 1914 US sl.
► PRESS BLANKETS to sleep deeply → 1943 US sl.
► PRESS THE SHEETS to sleep deeply → 1943 US sl.
► PRICK FOR A SOFT PLANK to choose a place on deck to sleep → 1867 nautical usage, obs.
► PUSH UP ZEDS to go to sleep → 1981 Aust. colloq. (Bk.)
► PUT ONE’S EYES TOGETHER to get to sleep → 1633 obs.
► PUT ONE’S HEAD DOWN to have some sleep → 1985 Aust. sl.
► PUT UP AT THE GUTTER HOTEL to sleep in the open air → 1897 sl. (Bk.)
► RACK to go to sleep; to sleep → 2000 sl., orig. African-American
► RACK IN ► RACK OUT ► RACK OVER to fall asleep; to go to bed → 1967 US sl.
► RACK IT UP to sleep → 1959 US sl.
► RAISE to rouse from sleep; to make a person get out of bed → 1175
► RAX to stretch one’s self, as when awaking from sleep → 1894 (Bk.)
► READ THE PAPER to take a nap → 1903 sl. (Bk.)
► REAR to rouse from sleep or bed → a1000 obs. exc. Eng. dial.
► REPOSE to lay oneself down to rest or sleep → 1517 arch.
► RIDE THE MATTRESS TRAIN to sleep → 2011 US sl.
► ROOST to sleep → 1819 sl.
► SACK to sleep; to spend the night → 1947 US sl.
► SACK DOWN to go to bed; to sleep → 1959 sl.
► SACK IN to go to bed, to sleep → 1946 US sl.
► SACK OUT to go to sleep; to go to bed → 1944 Amer. sl., orig. military
► SAW GOURDS to snore; hence, to sleep → 19C US obs.
► SAW SOME Z’s to have a nap; to sleep → 1967 US sl.
► SAW WOOD to sleep very soundly → 1885 US sl.
► SCLOPE to sleep → 15C obs.
► SET THE SWEDE DOWN to go to sleep → 1925 UK sl.
► SHAKE DOWN to sleep in an impromptu bed → 1860 UK sl.
► SINK to fall gently into sleep → 1719
► SKIPPER to sleep in the open, or in a barn, etc. → 1835 sl.
► SKIPPER IT to sleep in the open, or in a barn, etc. → 1851 sl.
► SLEEP AT MRS. GREEN’S ► SLEEP WITH MRS. GREEN to sleep in the open air → 1932 Aust. & NZ sl.
► SLEEP BLACK to sleep unwashed → M19 chimney-sweeps’ colloq.
► SLEEP FAST to sleep soundly → c1200
► SLEEP IN THE STAR AND MOON HOTEL to sleep in the open air → 2003 Aust. sl.
► SLEEP IN THE STAR HOTEL to sleep in the open air → 1904 Aust. sl.
► SLEEP IN THE STARLIGHT HOTEL to sleep in the open air → 2003 Aust. sl.
► SLEEP LIKE A COW to sleep like a married man, i.e. with one’s back to one’s wife → 1785 sl.
► SLEEP LIKE A LOG to sleep very soundly → 2006 (Bk.)
► SLEEP LIKE A TOP to sleep very soundly → 1693
► SLEEP ON BONES of children: to sleep in the nurse’s lap → 19C obs.
► SLEEP ON BOTH EARS to sleep soundly, without a care → 1822
► SLEEP ON THE EAR to sleep lying on one side → a1663 obs.
► SLEEP ROUGH to sleep or live in uncomfortable conditions, now typically out of doors → 1824
► SLEEP SOUND to be in a profound sleep; to enjoy deep or undisturbed sleep → 1400
► SLEEPY-BAW to go to sleep → 1907
► SLIDE to fall asleep → 1330 obs.
► SLIP to fall or sink into sleep → 1400 obs.
► SLIP TO NOD to go to ‘the land of Nod’, to go to sleep → 1787 Sc. 
► SLOPE to lie down to sleep → 1610 UK sl.
► SLUG to sleep, to lie in bed → 1956 US students’ sl.
► SNAG SOME Z’s to get some sleep → 1966 US students’ sl. (Bk.)
► SNOODGE to doze, to sleep for a short time → 1796 UK sl.
► SNOOZE to take a brief light sleep, to slumber → 1789 colloq.
► SNOOZE HARD to sleep deeply → 1995 US sl.
► SNOOZE IN HEDGE-SQUARE to sleep in the open air → 1897 sl. (Bk.)
► SNOOZLE to nestle and sleep or doze; to nuzzle → 1831 colloq. or Eng. dial.
► SNORE OFF to sleep, or fall asleep → 1925 Aust. sl.
► SNORT to sleep heavily or sluggishly; to snort → 1386 obs.
► SNOUSE to sleep → 1887 Eng. dial. (Bk.)
► SOFA-SURF to sleep overnight on a sofa as a house guest; to stay as a temporary guest in successive households → 1994
► SOMNAMBULATE to walk during sleep → 1833
► SOMNAMBULIZE to walk in sleep → 1832
► SOMNILOQUIZE to talk in sleep → 1827
► SOMNOLIZE to make sleepy or drowsy → 1831
► SOPITE to put or lull to sleep; to make drowsy, dull, or inactive → 1542
► SOPORATE to put or lay to sleep; to make sleepy; to stupefy → 1623 obs.
► SPARK OUT to fall fast asleep → 1963 UK sl.
► SPINEBASH to sleep, to loaf → 1999 Aust. sl. (Bk.)
► STACK Z’s ► STACK ZEDS to go to sleep → 1961 US sl.
► STASH to go to sleep → 1938 African-American sl.
► START to wake abruptly out of sleep, a daze, etc. → 1405
► STIR to rouse from sleep or rest → 1526 obs.
► SWEVE to sleep, to sink to rest, to become quiet → a1000 obs.
► SWOTHER to sleep, to slumber; also, to swoon → a1000 obs. exc. Eng. dial.
► TAKE A SOFT PLANK to sleep in the open air on an impromptu bed → 1850 US sl.
► TAKE AUNTIE FLORA to sleep on the floor → 1996 W. Indies
► TAKE FORTY WINKS to have a short sleep → 1996 Aust. sl.
► TAKE SHEET AND NAPKIN to sleep and eat with someone → 17C colloq.
► TAKE THE ROUND OF THE CLOCK to sleep for twelve consecutive hours → 19C Sc.
► TAKE TWO ROWS AT A TIME to sleep very soundly; to snore → 1939 Amer. dial.
► TAWM  ► TAWM OVER to fall gently asleep → 1905 Sc. & Eng. dial. (Bk.)
► TOE UP to go to sleep → 2001 NZ prison sl.
► TOPE to fall asleep → 1796 Eng. dial.
► TURF IT to sleep outdoors, usually in a tent → 1883 UK sl.
► TURN IN to go to bed; to go to sleep → 1967 US colloq. (Bk.)
► UNDER THE BLINKS asleep → 1996 US sl.
► UNGLUE to open the eyes after sleep → 1606
► VEGETABLE to fall asleep → 1988 NZ sl.
► WECCHE to rouse from sleep → a1000 obs.
► WELL AWAY to sleep soundly → 1927 sl.
► WHIP to fall asleep while sitting up → 1989 US students’ sl.
► WINK to have the eyes closed in sleep; to sleep → 1412 obs.
► WITCH-RIDE to disturb the sleep of, to create nightmares for → 1836 Amer. dial.
► Z to sleep → 1967 African-American & teen sl.
► ZAP OFF to fall asleep, especially in an exhausted state → 1996 Aust. sl. (Bk.)
► ZIZZ to sleep, to snooze, to nap → 1920 Brit. armed forces usage
► ZIZZY sleep, rest; a rest period → 1940s UK Army sl.
► ZONE OUT to fall asleep → 1970 US sl.
► ZONK ► ZONK OUT to fall asleep, esp. as a result of drugs or drink → 1970 US sl.
► Z-OUT to go to bed, to go to sleep → 1969 Amer. dial.