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Naturally recurring resting state of mind and body
Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there
Sleep
English rock band
Sleep Token are an English rock band formed in London in 2016. They have released four studio albums, two EPs, two standalone songs, and multiple covers
Sleep_Token
Traditional Scottish lament
Sleep, Dearie, Sleep is a traditional Scottish lament for the bagpipes. The tune is used as a lament signal in Highland army regiments. It gained prominence
Sleep,_Dearie,_Sleep
Topics referred to by the same term
Look up sleep in Wiktionary, the free dictionary. Human sleep and sleep in animals are a form of rest. Sleep or sleeping may also refer to: Sleep (rapper)
Sleep_(disambiguation)
Sleep pattern with more than one period of sleep in a 24-hour period
Polyphasic sleep or segmented sleep is the system of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, a single
Polyphasic_sleep
Sleeping disorder
Sleep paralysis is a state, during waking up or falling asleep, in which a person is conscious but in a complete state of paralysis. During an episode
Sleep_paralysis
Disorder involving pauses in breathing during sleep
Sleep apnea (sleep apnoea or sleep apnœa in British English) is a sleep-related breathing disorder in which repetitive pauses in breathing, periods of
Sleep_apnea
Condition of not having enough sleep
Sleep deprivation, also known as sleep insufficiency or sleeplessness, is the health condition of not having adequate duration or quality of sleep to support
Sleep_deprivation
Attempt to convey information to a sleeping person
Sleep-learning or sleep-teaching (also known as hypnopædia or hypnopedia) is an attempt to convey information to a sleeping person, typically by playing
Sleep-learning
Phenomenon of talking while asleep
Somniloquy, commonly referred to as sleep-talking, is a parasomnia in which one speaks aloud while asleep. It can range from simple mumbling sounds to
Sleep-talking
Disorder causing trouble with sleeping
Insomnia, also known as sleeplessness, is a sleep disorder causing difficulty falling asleep or staying asleep for as long as desired. Insomnia is typically
Insomnia
Medical disorder of a person's sleep patterns
A sleep disorder, or somnipathy, is a medical disorder that disrupts an individual's sleep patterns and quality. This can cause serious health issues and
Sleep_disorder
American rock band
Sleep Theory is an American rock band from Memphis, Tennessee. They formed in 2019 and consist of vocalist Cullen Moore, guitarist/unclean vocalist Daniel
Sleep_Theory
Phase of sleep characterized by random and rapid eye movements
Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in all mammals (including humans) and birds and in some reptiles, characterized
Rapid_eye_movement_sleep
Medical condition
Sexsomnia, also known as sleep sex, is a distinct form of parasomnia, or an abnormal activity that occurs while an individual is asleep. Sexsomnia is
Sleep_sex
American technology company
Eight Sleep is an American company that develops products for "sleep fitness". Eight Sleep was founded in 2014 in San Francisco by Matteo Franceschetti
Eight_Sleep
Topics referred to by the same term
No Sleep may refer to: No Sleep (LaViVe album), 2010 No Sleep (Volumes album), 2014 "No Sleep" (Jebediah song), 2004 "No Sleep" (Martin Garrix song),
No_Sleep
American stoner/doom metal band
Sleep is an American stoner/doom metal band from San Jose, California. Guitarist Matt Pike and bassist and vocalist Al Cisneros have been the only constant
Sleep_(band)
Set of practices around healthy sleeping
Sleep hygiene is a behavioral and environmental practice developed in the late 1970s as a method to help people with mild to moderate insomnia. Clinicians
Sleep_hygiene
Oscillation between the slow-wave and REM phases of sleep
The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream
Sleep_cycle
1959 single by Santo & Johnny
"Sleep Walk" is an instrumental composition written, recorded, and released in 1959 by American instrumental rock and roll duo Santo & Johnny Farina,
Sleep_Walk
Sleep is broadly considered a biological necessity in virtually all animals. The large majority of such taxa with documented sleep physiology are bilaterians
Sleep_in_animals
Cumulative effect of not getting enough sleep
Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue, and can adversely
Sleep_debt
Poem by William Wordsworth
"To Sleep" is a poem by William Wordsworth. Here, the speaker is someone who suffers from insomnia. He lies sleepless all night, wanting to be able to
To_Sleep
Typically poor in duration and quality
Adolescent sleep is typically poor in duration and quality. Sleep duration and quality reduce to suboptimal levels, and sleep duration variability and
Adolescent_sleep
Creepypasta
The Russian Sleep Experiment is a creepypasta that tells the tale of five Soviet-era test subjects being exposed to an experimental sleep-inhibiting stimulant
Russian_Sleep_Experiment
Drug whose use induces sleep
A hypnotic (from Greek Hypnos, sleep), also known as a somnifacient or soporific, and commonly known as sleeping pills, are a class of psychoactive drugs
Hypnotic
2015 studio album by Max Richter
Sleep is an eight-and-a-half hour concept album based around the neuroscience of sleep by German-British composer Max Richter. It was released on September
Sleep_(album)
American film by Mike Flanagan
Doctor Sleep is a 2019 American supernatural horror film written, directed, and edited by Mike Flanagan. It is a film adaptation of the 2013 novel by
Doctor_Sleep_(2019_film)
Amnesic and analgesic state induced by morphine and scopolamine
Twilight sleep (English translation of the German word Dämmerschlaf) is an amnesic state characterized by insensitivity to pain with or without the loss
Twilight_sleep
Human sleep disorder
include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. People with narcolepsy
Narcolepsy
Topics referred to by the same term
up sleep tight in Wiktionary, the free dictionary. Sleep Tight may refer to: "Sleep Tight", a song by Sarah Brightman from the 1997 album Eden "Sleep Tight"
Sleep_Tight
Open source component of zero configuration networking
Apple's Bonjour Sleep Proxy service is an open source component of zero-configuration networking, designed to assist in reducing power consumption of
Bonjour_Sleep_Proxy
2000 choral composition by Eric Whitacre
Sleep is a composition for a cappella choir by Eric Whitacre, with lyrics by Charles Anthony Silvestri. He composed it in 2000, setting a poem, "Stopping
Sleep_(Whitacre)
Sleep is important in regulating metabolism. Mammalian sleep can be sub-divided into two distinct phases - REM (rapid eye movement) and non-REM (NREM)
Sleep_and_metabolism
Work by Aristotle
On Sleep (or On Sleep and Sleeplessness; Greek Περὶ ὕπνου καὶ ἐγρηγόρσεως; Latin: De somno et vigilia) is a text by Aristotle, one of the Parva Naturalia
On_Sleep
Reversal of sleeping tendencies
Sleep inversion or sleep-wake inversion is a reversal of sleeping tendencies. Individuals experiencing sleep-wake inversion replace diurnal habits for
Sleep_inversion
1939 novel by Raymond Chandler
The Big Sleep is a 1939 hardboiled crime novel by American-British writer Raymond Chandler, the first to feature the detective Philip Marlowe. It has
The_Big_Sleep
U.S. manufacturing company
Sleep Number Corporation is an American manufacturer that makes Sleep Number adjustable beds as well as foundations and bedding accessories. The company
Sleep_Number
Impaired physiological state after awaking
Sleep inertia is a physiological state of impaired cognitive and sensory-motor performance that is present immediately after awakening. It persists during
Sleep_inertia
Spontaneous sleep orgasm
A wet dream, sex dream or sleep orgasm is a spontaneous occurrence of sexual arousal during sleep that includes ejaculation (nocturnal emission) and orgasm
Nocturnal_emission
1998 Canadian television film
The Sleep Room is a 1998 Canadian television film about experiments on Canadian mental patients that were carried out in the 1950s and 1960s by Donald
The_Sleep_Room
Physiological nature of sleep
neuroscience of sleep is the study of the neuroscientific and physiological basis of the nature of sleep and its functions. Traditionally, sleep has been studied
Neuroscience_of_sleep
Topics referred to by the same term
big sleep in Wiktionary, the free dictionary. The Big Sleep is a 1939 novel by Raymond Chandler, its title being a euphemism for death. The Big Sleep or
The Big Sleep (disambiguation)
The_Big_Sleep_(disambiguation)
Low-power mode for electronic devices
Sleep mode (or suspend to RAM or stand by) is a low-power mode for electronic devices such as computers, televisions, and remote controlled devices. Sleep
Sleep_mode
American internet personality (born 1999)
announced his return to the Sleep Deprived podcasts under Patreon-exclusive, and their Minecraft server, the SDMP (Sleep Deprived Minecraft Server). In
Jschlatt
European fairy tale
"Sleeping Beauty" (French: La Belle au bois dormant, or The Beauty Sleeping in the Wood;, German: Dornröschen, or Little Briar Rose, Italian: La Bella
Sleeping_Beauty
Medical recording of sleep activity
A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test
Sleep_study
Period of sleep in humans and other animals
Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity
Slow-wave_sleep
Natural internal process that regulates the sleep-wake cycle
an abnormal circadian rhythm in humans is known as a circadian rhythm sleep disorder. The earliest recorded account of a circadian process is credited
Circadian_rhythm
A sleep position is the body configuration assumed by a person during or prior to sleeping. The topic of sleep position has been covered throughout history
Sleep_position
Sleep disorder causing feelings of panic or dread
Night terror, also called sleep terror, is a sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage
Night_terror
American rock band
Team Sleep is an American rock supergroup led by singer/guitarist Chino Moreno. Moreno is better known for fronting the Sacramento-based alternative metal
Team_Sleep
Topics referred to by the same term
Sleep Talking may refer to: Sleep talking or somniloquy Sleep Talking (EP), a 2013 EP by Nu'est "Sleep Talking", a song by Level 42 from the 2006 album
Sleep_Talking
Type of progressive dementia
with Lewy bodies (DLB) is a type of dementia characterized by changes in sleep, behavior, cognition, movement, and regulation of automatic bodily functions
Dementia_with_Lewy_bodies
Topics referred to by the same term
Don't Sleep may refer to: Don't Sleep (album), by Alice Ivy, 2020 Don't Sleep (film), 2017 Don't Sleep, a 2000 album by DJ Hurricane Don't Sleep, a 2010
Don't_Sleep
Structure in which to nap
A sleep pod, also known as nap pod, napping pod, or nap capsule, is a special type of structure or chair that humans can nap and sleep on. Users use the
Sleep_pod
British ballet dancer (born 1948)
Wayne Philip Colin Sleep OBE (born 17 July 1948) is a British dancer, director, choreographer, and actor who appeared on the BBC series The Real Marigold
Wayne_Sleep
Topics referred to by the same term
go to sleep in Wiktionary, the free dictionary. "Go to Sleep" is a song by Radiohead. Go to Sleep or Go 2 Sleep may also refer to: "Go to Sleep" (Lupe
Go_to_Sleep_(disambiguation)
Neurological phenomenon
sleep is a neurological phenomenon where brain activity in an organism that is otherwise awake enters a state which closely resembles that of sleep.
Local_sleep
American sleeplessness world record holder
held the record for the longest amount of time a human has gone without sleep. Between December 1963 and January 1964, the then 17-year-old Gardner stayed
Randy Gardner sleep deprivation experiment
Randy_Gardner_sleep_deprivation_experiment
Medical association
Sleep and weight is the association between the amount of sleep an individual obtains and the weight of that individual. Numerous studies have demonstrated
Sleep_and_weight
Upper airway closure disrupting sleep
Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder. This type of sleep apnea is characterized by recurrent episodes of
Obstructive_sleep_apnea
Topics referred to by the same term
Sleep on It may refer to: Sleep on It (TV series) "Sleep on It" (song) Sleep On It (band) This disambiguation page lists articles associated with the title
Sleep_on_It
Involuntary twitching while falling asleep
disorder – Sleep disorder Rapid eye movement sleep – Phase of sleep characterized by random and rapid eye movements Sleep paralysis – Sleeping disorder
Hypnic_jerk
2023 mobile video game
Pokémon Sleep is a sleep-tracking video game that rewards the user with Pokémon depending on the quality of their sleep. The app was first released in
Pokémon_Sleep
Season of television series
relationship and move into a flat together with friends. 60 10 "Sleep, Dearie Sleep" Stephen Daldry Peter Morgan 14 December 2023 (2023-12-14) As the
The_Crown_season_6
Sleep in birds
In birds, sleep consists of "periods of eye closure interrupted by short periods of eye-opening."[quote needs citation] During the short periods of eye-opening
Avian_sleep
The majority of studies on sleep creativity have shown that sleep can facilitate insightful behavior and flexible reasoning, and there are several hypotheses
Sleep_and_creativity
2025 studio album by Sleep Token
Even in Arcadia is the fourth studio album by anonymous English rock band Sleep Token. The album was released on 9 May 2025 through RCA Records, to CD,
Even_in_Arcadia
Sudden unexplained death of a child who is less than one year of age
include sleeping on the stomach or side, overheating, and exposure to tobacco smoke. Accidental suffocation from bed sharing (also known as co-sleeping) or
SIDS
Process of quantitatively measuring a person's sleep
that tracks a person's sleep is called a sleep tracker. Sleep tracking may be beneficial in diagnosing sleep disorders. As sleep abnormalities are also
Sleep_tracking
Speech in Shakespeare's play ''Hamlet''
consummation Devoutly to be wished. To die, to sleep, To sleep, perchance to Dream; aye, there's the rub, For in that sleep of death, what dreams may come, When
To_be,_or_not_to_be
British rock band
Delta Sleep are a British math rock band, formed in 2010 in Canterbury. They are currently based in Brighton and consist of Devin Yüceil on guitar and
Delta_Sleep
Family of sleep disorders that affect the timing of sleep
sleep disorders (CRSD), also known as circadian rhythm sleep–wake disorders (CRSWD), are a family of sleep disorders that affect the timing of sleep.
Circadian rhythm sleep disorder
Circadian_rhythm_sleep_disorder
Sleep epidemiology is an emerging branch of the discipline of epidemiology. It is a growing field of scientific enquiry, with the first documented modern
Sleep_epidemiology
2017 book by Matthew Walker
Why We Sleep: The New Science of Sleep and Dreams is a 2017 popular science book about sleep written by Matthew Walker, from England, who is a professor
Why_We_Sleep
Sexual arousal from an unconscious person
Somnophilia (from Latin somnus "sleep" and Greek φιλία, -philia "friendship") is a paraphilia in which an individual becomes sexually aroused by someone
Somnophilia
Medical symptom
Non-restorative sleep (NRS), also known as unrefreshing sleep, is a subjective symptom in which sleep is experienced as insufficiently refreshing and
Non-restorative_sleep
Spontaneous erection during or after sleep
erection of the penis during sleep or when waking up. Along with nocturnal clitoral tumescence, it is also known as sleep-related erection. Colloquially
Nocturnal_penile_tumescence
Medical specialty
Sleep medicine or somnology is a medical specialty or subspecialty devoted to the diagnosis and therapy of sleep disturbances and disorders. From the middle
Sleep_medicine
Sleeping phenomenon combined with wakefulness
somnambulism or noctambulism, is a phenomenon of combined sleep and wakefulness. It is classified as a sleep disorder belonging to the parasomnia family. It can
Sleepwalking
Topics referred to by the same term
Losing Sleep may refer to: Losing Sleep (Axle Whitehead album), 2008 Losing Sleep (Edwyn Collins album), 2010, or its title track Losing Sleep (Parachute
Losing_Sleep
American extreme metal band
As They Sleep is an American extreme metal band from Detroit, Michigan. They have released two albums and an EP. Shortly after releasing their first album
As_They_Sleep
2013 horror novel by Stephen King
Doctor Sleep is a 2013 horror novel by American writer Stephen King and the sequel to his 1977 novel The Shining. The book reached the first position
Doctor_Sleep_(novel)
health, and sleep plays a crucial role in maintaining the optimal homeostasis of emotional functioning. Deficient sleep, both in the form of sleep deprivation
Sleep_and_emotions
2019 studio album by Sleep Token
Sundowning is the debut studio album by anonymous English rock band Sleep Token. It was recorded at G1 Productions in Wells, Somerset, produced by George
Sundowning (Sleep Token album)
Sundowning_(Sleep_Token_album)
Listening of music to improve sleep quality
Sleep problems are found to be correlated with poor well-being and low quality of life. Persistent sleeping disturbances can lead to fatigue, irritability
Music_and_sleep
2008 American film
Sleep Dealer is a 2008 futuristic science fiction film directed by Alex Rivera. Sleep Dealer depicts a dystopian future to explore ways in which technology
Sleep_Dealer
Musical artist
Sleep Chamber (aka ꓢꓡꓰꓱꓑ ꓚꓧꓮꓟꓐꓰꓣ (original name) and SLEEPCHAMBER) is an American industrial noise band fronted by John Zewizz that he formed in 1981
Sleep_Chamber
1991 film by Joseph Ruben
Sleeping with the Enemy is a 1991 American psychological thriller film directed by Joseph Ruben and starring Julia Roberts, Patrick Bergin, and Kevin Anderson
Sleeping_with_the_Enemy
Transition from wakefulness into sleep
Sleep onset is the transition from wakefulness into sleep. Sleep onset usually transits into non-rapid eye movement sleep (NREM sleep) but under certain
Sleep_onset
Form of sleep involving negligible eye movement
movement sleep (NREM), also known as quiescent sleep, is, collectively, sleep stages 1–3, previously known as stages 1–4. Rapid eye movement sleep (REM)
Non-rapid_eye_movement_sleep
Coding resource for sleep and sleep-related disorders
Sleep Disorders (ICSD) is "a primary diagnostic, epidemiological and coding resource for clinicians and researchers in the field of sleep and sleep medicine"
International Classification of Sleep Disorders
International_Classification_of_Sleep_Disorders
American mattress company
Casper Sleep Inc. is an American company headquartered in New York City that designs and sells sleep products including mattresses, pillows, furniture
Casper_Sleep
Heritable variations in sleep patterns
Familial sleep traits are heritable variations in sleep patterns, resulting in abnormal sleep-wake times and/or abnormal sleep length. Circadian rhythms
Familial_sleep_traits
Industry-funded nonprofit
The National Sleep Foundation (NSF) is an American non-profit, charitable organization. Founded in 1990, its stated goal is to provide expert information
National_Sleep_Foundation
2010 video game
Kingdom Hearts Birth by Sleep is a 2010 action role-playing game developed and published by Square Enix in collaboration with Disney Interactive Studios
Kingdom_Hearts_Birth_by_Sleep
2011 Spanish film
Sleep Tight (Spanish: Mientras duermes; lit. 'While You Sleep') is a 2011 Spanish psychological thriller film directed by Jaume Balagueró from a screenplay
Sleep_Tight_(film)
Sleep in infant humans
Infant sleep is an act of sleeping by an infant or a newborn. It differs significantly from sleep during adulthood. Unlike in adults, sleep early in infancy
Infant_sleep
SLEEP
SLEEP
Boy/Male
Muslim
One who sleeps
Surname or Lastname
English
English : nickname for an indolent person, from Middle English sleper ‘sleeper’.
Girl/Female
Biblical
A lamb, sleeping.
Boy/Male
Latin
Sleep.
Boy/Male
Hindu
(Ravan's brother known for sleeping and eating)
Boy/Male
Tamil
Kumbhkarna | கà¯à®®à¯à®ªà®•à®°à¯à®£
(Ravan's brother known for sleeping and eating)
Kumbhkarna | கà¯à®®à¯à®ªà®•à®°à¯à®£
Girl/Female
Hindu
Sleep, Night
Girl/Female
Tamil
Maha Durga | மஹாதà¯à®°à¯à®•à®¾
The Durga who is sleeping
Maha Durga | மஹாதà¯à®°à¯à®•à®¾
Surname or Lastname
English
English : nickname for someone with fair hair or a light complexion, from Anglo-Norman French blunt ‘blond’ (Old French blund, blond, of Germanic origin).English : nickname for a stupid person, from Middle English blunt, blont ‘dull’, ‘stupid’ (probably from Old English blinnan ‘to stop’, or Old Norse blundr ‘sleep’).
Boy/Male
Biblical
Ancient, sleeping.
Surname or Lastname
English (mainly Devon)
English (mainly Devon) : variant of Slape.
Boy/Male
Biblical
Ancient, sleeping.
Girl/Female
Tamil
Sleep, Night
Girl/Female
Tamil
Sleep
Boy/Male
Indian
One who sleeps
Girl/Female
Tamil
Sleep
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : nickname for a lazy man or a sleepyhead, from Old French dormeor ‘sleeper’, ‘sluggard’ (Latin dormitor, from dormire to sleep).English : most probably a habitational name, as medieval forms with de are found, but if so the place of origin has not been identified.Irish : when not of the same origin as 1 or 2, this is a reduced Anglicized form of the Donegal name Ó DÃorma, a reduced form of Ó DuibhdhÃormaigh ‘descendant of DuibhdhÃormach’, a personal name composed of Gaelic dubh ‘black’ + dÃormach ‘trooper’.
Girl/Female
Hindu
The Durga who is sleeping
Boy/Male
Muslim
Place to sleep, Quarters, Lodgings
Boy/Male
Muslim
One who puts someone to sleep
SLEEP
SLEEP
Boy/Male
Hindu
Blue Jay
Surname or Lastname
German
German : from a short form of any of the various Germanic personal names with the first element hrÅd ‘renown’. Compare Robert, Rudiger.North German, Danish, and English : topographic name for someone who lived on land cleared for cultivation or in a clearing in woodland, from Middle Low German rode, Danish rothe, Old English rod. Compare English Rhodes.English : habitational name from any of the many places named with this word, as for example Rode in Cheshire.Slovenian : topographic name from the adjective rod ‘barren’, denoting someone who lived on a barren land.Slovenian : nickname from the Slovenian dialect word rode ‘person with disheveled hair’, a derivative of rod ‘curly’ or ‘hairy’.
Surname or Lastname
German and Dutch
German and Dutch : from a derivative of a Germanic personal name formed with the initial element lind (see Linde 1 and Lins 2).English : habitational name from Lintz, County Durham, so named from Old English hlinc ‘hillside’. Compare Lynch 3.
Boy/Male
American, British, Dutch, English, French, German, Greek
Manly; Brave
Boy/Male
Arabic, Muslim
Pious; Devout
Girl/Female
Indian
Glorious, Sacred
Girl/Female
American, British, English, Hebrew
God is My Judge; Feminine Variant of Daniel
Boy/Male
Tamil
Winner, Invincible
Female
English
 Old English name KIRSTEN means "stone church." Compare with another form of Kirsten.
Girl/Female
Irish Scottish French Latin Greek Gaelic
meaning pure.
SLEEP
SLEEP
SLEEP
SLEEP
SLEEP
a.
Heavy with sleep.
n.
One who walks in his sleep; a somnambulist.
v. t.
To be slumbering in; -- followed by a cognate object; as, to sleep a dreamless sleep.
n.
Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion.
n.
The quality or state of being sleepy.
v. t.
To give sleep to; to furnish with accomodations for sleeping; to lodge.
a.
Strongly inclined to sleep; very sleepy.
n.
One who sleeps; a slumberer; hence, a drone, or lazy person.
n.
A sleeping car.
n.
The state of one mesmerized, or in a partial and morbid sleep.
a.
Disposed to sleep; sleepy; drowsy.
n.
Walking in one's sleep.
n.
Characterized by an absence of watchfulness; as, sleepy security.
adv.
In a sleepy manner; drowsily.
a.
Having no sleep; wakeful.
n.
On in a state of magnetic or mesmeric sleep.
n.
Drowsy; inclined to, or overcome by, sleep.
n.
A sleepy person.
v. i.
To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant; as, a question sleeps for the present; the law sleeps.