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1. Dictionary

   sleep

   /sliːp/

   noun

   • 1. a condition of body and mind that typically recurs for several hours every night, in which the eyes are closed, the postural muscles relaxed, the activity of the brain altered, and consciousness of the surroundings practically suspended: "I was on the verge of sleep"
   • ▪ a state compared to or resembling sleep, such as death or complete silence or stillness: literary "a photograph of the poet in his last sleep"
   • ▪ (typically in the context of anticipating a forthcoming event) a night, or a night's sleep: informal "two more sleeps till I fly to LA"
   • 2. a gummy secretion found in the corners of the eyes after sleep: "she sat up, rubbing the sleep from her eyes"

   verb

   • 1. be in a state of sleep; be asleep: "she slept for half an hour"
   • ▪ fail to be woken by: "he was so tired he slept through the alarm"
   • ▪ be inactive or dormant: "Copenhagen likes to be known as the city that never sleeps"
   • ▪ be at peace in death; lie buried: literary "he sleeps in Holywell cemetery"
   • 2. provide (a specified number of people) with beds, rooms, or places to stay the night: "studios sleeping two people cost £70 a night"

   Word Origin Old Englishslēp, slǣp (noun), slēpan, slǣpan (verb), of Germanic origin; related to Dutch slapen and German schlafen.

   Scrabble Points: 7

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2. sleep.hms.harvard.edu › education-training › public-educationScience of Sleep: What is Sleep? | Sleep Medicine - Harvard...

   sleep.hms.harvard.edu › education-training › public-education

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   Oct 1, 2021 · From observing changes in behavior and responsiveness, scientists have noted the following characteristics that accompany and in many ways define sleep: Sleep is a period of reduced activity. Sleep is associated with a typical posture, such as lying down with eyes closed in humans. Sleep results in a decreased responsiveness to external stimuli.

3. en.wikipedia.org › wiki › SleepSleep - Wikipedia

   en.wikipedia.org › wiki › Sleep

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   Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there is a marked decrease in muscle activity and interactions with the surrounding environment.

4. www.merriam-webster.com › dictionary › sleepSleep Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › sleep

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   The meaning of SLEEP is the natural, easily reversible periodic state of many living things that is marked by the absence of wakefulness and by the loss of consciousness of one's surroundings, is accompanied by a typical body posture (such as lying down with the eyes closed), the occurrence of dreaming, and changes in brain activity and ...

5. dictionary.cambridge.org › dictionary › englishSLEEP | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   SLEEP definition: 1. the resting state in which the body is not active and the mind is unconscious: 2. to start…. Learn more.

6. www.britannica.com › science › sleepSleep | Definition, Patterns, Deprivation, & Theories |...

   www.britannica.com › science › sleep

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   Jun 8, 2024 · sleep, a normal, reversible, recurrent state of reduced responsiveness to external stimulation that is accompanied by complex and predictable changes in physiology.

7. www.psychologytoday.com › us › basicsSleep | Psychology Today

   www.psychologytoday.com › us › basics

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   Sleep is the balm that soothes and restores after a long day. Sleep is largely driven by the body’s internal clock, which takes cues from external elements such as sunlight and...

8. www.dictionary.com › browse › sleepSLEEP Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › sleep

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   Sleep definition: to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake.. See examples of SLEEP used in a sentence.

9. dictionary.cambridge.org › dictionary › learner-englishSLEEP | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

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   SLEEP definition: 1. to be in the state of rest when your eyes are closed, your body is not active, and your mind is…. Learn more.

10. www.oxfordlearnersdictionaries.com › definition › englishsleep noun - Definition, pictures, pronunciation and usage notes...

    www.oxfordlearnersdictionaries.com › definition › english

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    Definition of sleep noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

11. www.vocabulary.com › dictionary › sleepSleep - Definition, Meaning & Synonyms | Vocabulary.com

    www.vocabulary.com › dictionary › sleep

    noun. a natural and periodic state of rest during which consciousness of the world is suspended. “he didn't get enough sleep last night” synonyms: slumber. see more. noun. a period of time spent sleeping. “he felt better after a little sleep ” synonyms: nap. see more. noun. a torpid state resembling deep sleep. synonyms: sopor. see more. noun.