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- nounsleep (noun)
- 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" · "he talked in his sleep" · "a good night's sleep" · "the effects of sleep loss"
- literarya state compared to or resembling sleep, such as death or complete silence or stillness:"a photograph of the poet in his last sleep"
- a gummy or gritty secretion found in the corners of the eyes after sleep:"she sat up, rubbing the sleep from her eyes"
verbsleep (verb) · sleeps (third person present) · slept (past tense) · slept (past participle) · sleeping (present participle)- be in a state of sleep; be asleep:"she slept for half an hour"Similar:be asleeptake a siestatake a napsleep like a log/topsnatch forty winksget some shut-eyebe in the land of Nodhave a kipget one's head downget some zizzdoss (down)be in the arms of MorpheusOpposite:
- (sleep through)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"
- literarybe at peace in death; lie buried:"he sleeps beneath the silver birches"
- provide (a specified number of people) with beds, rooms, or places to stay the night:"studios sleeping two people cost $70 a night"
OriginOld English slēp, slǣp (noun), slēpan, slǣpan (verb), of Germanic origin; related to Dutch slapen and German schlafen. Sleep Definition & Meaning - Merriam-Webster
Learn the noun and verb meanings of sleep, as well as its synonyms, examples, etymology, and related phrases. See also the kids and medical definitions of sleep.
Science of Sleep: What is Sleep? | Sleep Medicine
Oct 1, 2021 · Learn how sleep scientists define sleep based on brain waves and physiological functions. Explore the natural patterns of sleep and the factors that disrupt them.
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Sleep | Definition, Patterns, Deprivation, & Theories | Britannica
Sleep is a state of reduced responsiveness to external stimulation with complex and predictable changes in physiology. Learn about the behavioral, physiological, …
- Sleep is a normal, reversible, recurrent state of reduced responsiveness to external stimulation …
How much sleep does a human need? - Studies suggest that healthy adults between ages 26 and 64 need about 7 to 9 hours of sleep p…
In which stage of sleep does a person dream?
- Sleep is a normal, reversible, recurrent state of reduced responsiveness to external stimulation …
SLEEP | English meaning - Cambridge Dictionary
Learn the meaning of sleep as a noun and a verb, with synonyms, idioms and phrasal verbs. See how to use sleep in different contexts and sentences from the Cambridge English Corpus.
Sleep - Wikipedia
Drugs which induce sleep, known as hypnotics, include benzodiazepines (although these interfere with REM); nonbenzodiazepine hypnotics such as eszopiclone (Lunesta), zaleplon (Sonata), and zolpidem (Ambien); antihistamines such as diphenhydramine (Benadryl) and doxylamine; alcohol (ethanol), (which exerts an excitatory rebound effect later in the night and intereferes with REM) barbiturates (which have the same problem), melatonin (a component of the circadian clock) and cannabis
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SLEEP definition and meaning | Collins English …
Learn the meaning of sleep as a noun and a verb, with synonyms, pronunciation, and examples. Find out how to use sleep in different contexts, such as sleep on it, sleep around, or sleep with.
Brain Basics: Understanding Sleep | National Institute of …
Sep 5, 2024 · Learn how sleep affects your brain and body, and what happens in the brain during different stages of sleep. Find out how your circadian rhythm and homeostasis regulate your …
Sleep | definition of sleep by Medical dictionary
a period of rest for the body and mind, during which volition and consciousness are in partial or complete abeyance and the bodily functions partially suspended. Sleep has also been …
Sleep - definition of sleep by The Free Dictionary
A natural periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost, so that there is a decrease in bodily movement …
What is SLEEP? definition of SLEEP (Psychology …
Apr 13, 2013 · What is sleep, and why is it important? Cognitive functioning, emotional control, and general health are all significantly impacted by the restorative physiological process of sleep. Because it has such a significant …
SLEEP definition | Cambridge Essential American Dictionary
SLEEP meaning: 1. to be in the state of rest when your eyes are closed, your body is not active, and your mind is…. Learn more.
Sleep | Psychology Today
Sleep is the balm that soothes and restores after a long day. Learn about the benefits, needs, and disorders of sleep, as well as how to improve your sleep quality and chronotype.
What is Sleep? - News-Medical.net
Jun 19, 2023 · Sleep is a state of reduced awareness to environmental stimuli that can be reversed. It has two types (REM and NREM) and four stages (1 to 4) that can be measured by …
sleep noun - Definition, pictures, pronunciation and usage notes ...
Learn the meaning, pronunciation, and examples of the word sleep in American English. Find out how to use sleep in different contexts, such as idioms, expressions, and collocations.
SLEEP | definition in the Cambridge Learner’s Dictionary
SLEEP meaning: 1. to be in the state of rest when your eyes are closed, your body is not active, and your mind is…. Learn more.
What Is Sleep? Why, When, and How Our Bodies Rest - Sleep …
Jan 22, 2024 · Learn the basics of sleep, from what happens in the body during sleep cycles to the processes that regulate sleep and wakefulness. Discover the benefits of sleep and tips for …
SLEEP | definition in the Cambridge English Dictionary
SLEEP meaning: 1. the resting state in which the body is not active and the mind is unconscious: 2. to start…. Learn more.
Sleep Definition & Meaning | Britannica Dictionary
Learn the meaning of sleep as a verb and a noun, with examples of usage and related phrases. Find out how to describe different kinds of sleep, such as REM sleep, rapid eye movement …
How Sleep Works: Understanding the Science of Sleep
Oct 23, 2020 · Learn about the key details of what happens to the mind and body during sleep, including the sleep stages, the sleep-wake homeostasis, and the circadian alerting system. …
SLEEP definition in American English - Collins Online Dictionary
Sleep is the natural state of rest in which your eyes are closed, your body is inactive, and your mind does not think. They were exhausted from lack of sleep. Be quiet and go to sleep.
Sleep - Simple English Wikipedia, the free encyclopedia
Sleep is a state of resting, which happens in most animals, including humans. During deep sleep, most of the muscles that animals can otherwise control are not active, but regain the energy …
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