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Sleep No More (2011 play)

Sleep No More: Punchdrunk's immersive Macbeth-as-film-noir at New York's McKittrick Hotel, running March 2011 to January 5, 2025; masked silent audiences, 100+ rooms, Drama Desk and Obie awards, later versions in Shanghai and Seoul.

Sleep No More (Doctor Who)

Sleep No More is a 2015 Doctor Who episode, Series 9 Episode 9, written by Mark Gatiss: the show's first found-footage story, set on Le Verrier Station near Neptune, featuring the Sandmen and no opening titles.

Sleep No More (film)

Sleep No More (Monster Pabrik Rambut) is Edwin's 2026 Indonesian horror-fantasy film about sisters investigating their mother's death in a wig factory; it premiered in Berlinale Special Midnight and is unrelated to Punchdrunk's immersive play of the same name.

Sleep paralysis

Sleep paralysis: temporary inability to move or speak while falling asleep or waking, caused by REM atonia persisting into wakefulness; affects about 8% of people, often with intruder or incubus hallucinations, and interpreted culturally as Pandafeche, kanashibari, or jinn attacks.

Sleep restriction

Sleep restriction therapy is a behavioral treatment for chronic insomnia in which time in bed is cut to actual sleep time to consolidate sleep, a core component of CBT-I.

Sleep sex

Sleep sex (sexsomnia) is an NREM parasomnia of involuntary sexual behavior during sleep, arising from N2/N3 with amnesia; triggered by sleep deprivation, alcohol, and sleep apnea; recognized in DSM-5 and ICSD-3-TR.

Sleep Stages

Sleep stages: the AASM's five human sleep states W, N1, N2, N3, and REM (stage R), scored from 30-second polysomnography epochs by EEG, EOG, and EMG patterns; N2 has spindles and K-complexes, N3 delta slow waves, REM atonia.

Sleep study

A sleep study is a diagnostic test recording brain activity, breathing, blood oxygen, and body movement during sleep; attended in-lab polysomnography is the reference standard for diagnosing obstructive sleep apnea.

Sleep Theory

Sleep Theory is an American rock band from Memphis, Tennessee, fronted by Army veteran vocalist Cullen Moore and signed to Epitaph Records, formed in 2019.

Sleep Tight (film)

Sleep Tight (Mientras duermes) is a 2011 Spanish psychological thriller by Jaume Balagueró, written by Alberto Marini, starring Luis Tosar as doorman César, who torments tenant Clara (Marta Etura) in Barcelona.

Sleep Token

Sleep Token are an anonymous English rock band formed in London in 2016, whose four masked members, led by the singer Vessel, perform as servants of a deity called Sleep.

Sleep Walk

"Sleep Walk" (also Sleepwalk) is a 1959 steel guitar instrumental by Brooklyn duo Santo & Johnny, a two-week Billboard Hot 100 number one, the last instrumental chart-topper of the 1950s, later covered by over 100 artists and a 1998 Grammy winner for Brian Setzer.

Sleep-related bruxism

Sleep-related bruxism (sleep bruxism) is rhythmic or non-rhythmic masticatory muscle activity during sleep, now classed as a behavior rather than a disorder; diagnosed by PSG-AV or portable EMG (cut-off 7 events/hour), managed with splints and biofeedback.

Sleep-related eating disorder

Sleep-related eating disorder (SRED), ICD-11 7B00.3, is a parasomnia of involuntary eating during the main sleep period with amnesia, unlike night eating syndrome; linked to sleepwalking, RLS, OSA, and sedative-hypnotics, treated with topiramate or treating the underlying sleep disorder.

Sleep-related hallucinations

Sleep-related hallucinations (ICD-11 7B02.1) are hypnagogic or hypnopompic hallucinations at sleep onset or awakening, an ICSD-3 other-parasomnia category with HHH and CNVH subtypes, prevalence 25-37% and 7-13%.

Sleep-related hypermotor epilepsy

Sleep-related hypermotor epilepsy (SHE), formerly nocturnal frontal lobe epilepsy, is a rare focal epilepsy with brief stereotyped hypermotor seizures from NREM sleep; renamed in 2016, with genetic and extrafrontal forms.

Sleep-related leg cramps

Sleep-related leg cramps, also known as nocturnal leg cramps, are painful involuntary contractions of the calf or foot muscles during sleep, lasting seconds to minutes.

Sleep-related rhythmic movement disorder

Sleep-related rhythmic movement disorder (SRRMD, RMD) is a sleep-related movement disorder with rhythmic large-muscle movements like head banging and body rocking at 0.5-2 Hz, common and benign in infants, a disorder only when sleep, function, or safety is harmed.

Sleepaway Camp

Sleepaway Camp (1983), also titled Nightmare Vacation, is Robert Hiltzik's summer camp slasher starring Felissa Rose as Angela, famous for its twist ending revealing the killer, and for spawning a cult franchise of sequels.

Sleepaway Camp II: Unhappy Campers

Sleepaway Camp II: Unhappy Campers is a 1988 American slasher comedy, the first Sleepaway Camp sequel, directed by Michael A. Simpson, starring Pamela Springsteen as killer counselor Angela Baker at Camp Rolling Hills, shot in Atlanta with Sleepaway Camp III.

Sleeper (1973 film)

Sleeper is a 1973 American science-fiction comedy film written and directed by Woody Allen, in which a health-food store owner is revived 200 years in the future.

Sleeper (band)

Sleeper: English Britpop band formed in London, fronted by Louise Wener. Albums Smart, The It Girl (platinum), Pleased to Meet You; split 1998, reunited 2017, The Modern Age 2019.

Sleeper (car)

A sleeper, also known as a Q-car, is a car that looks ordinary or unassuming but delivers performance far quicker than its appearance suggests, often a practical sedan or wagon.

Sleeper agent

A sleeper agent is a spy who lives an ordinary civilian life in a target country, staying inactive for years until their intelligence service activates them for a task.

Sleeper agents (backdoored LLMs)

Sleeper agents are large language models deliberately trained with backdoors that stay dormant until a trigger appears, a January 2024 Anthropic study found they can survive safety training.

Sleeper cab

A sleeper cab is a truck cab configuration with a compartment behind the driver's seat for sleeping, letting long-haul drivers rest in the truck on multi-day routes.

Sleeper hit

Sleeper hit: an entertainment work, especially a film, that becomes a major success despite little promotion and a weak opening, growing through word of mouth; examples include My Big Fat Greek Wedding, Rocky, and The Blair Witch Project.

Sleepers (film)

Sleepers (1996), Barry Levinson's crime drama adapted from Lorenzo Carcaterra's disputed memoir, stars Kevin Bacon, Jason Patric, Brad Pitt, Robert De Niro, and Dustin Hoffman; Hell's Kitchen boys abused at Wilkinson Home for Boys take revenge, Metascore 49, one Oscar nomination.

Sleepify

Sleepify is Vulfpeck's 2014 silent album on Spotify: ten 31-32 second silent tracks streamed on repeat by fans to earn about $20,000 in royalties funding a free tour, before Spotify removed it for violating its terms of content.

Sleeping at Last

Sleeping at Last is the moniker of Chicago singer-songwriter Ryan O'Neal, formerly a Wheaton, Illinois trio; known for the Yearbook and Atlas series, Grey's Anatomy and Twilight placements, and the song Saturn.