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Definition of Sleep
1. Verb. Be asleep. "Sam and Sue sleep"
Generic synonyms: Rest
Specialized synonyms: Bundle, Practice Bundling, Catch A Wink, Catnap, Nap, Sleep In, Sleep Late, Hibernate, Hole Up, Aestivate, Estivate
Derivative terms: Kip, Sleeper, Sleeping, Slumber, Slumberer
Also: Sleep In, Sleep In, Sleep Late, Sleep Out
Antonyms: Wake
2. Noun. A natural and periodic state of rest during which consciousness of the world is suspended. ; "Calm as a child in dreamless slumber"
Specialized synonyms: Sleeping, Nonrapid Eye Movement, Nonrapid Eye Movement Sleep, Nrem, Nrem Sleep, Orthodox Sleep, Paradoxical Sleep, Rapid Eye Movement, Rapid Eye Movement Sleep, Rem, Rem Sleep, Shuteye
Generic synonyms: Physical Condition, Physiological Condition, Physiological State
Derivative terms: Sleepy, Slumber, Slumbery
3. Verb. Be able to accommodate for sleeping. "This tent sleeps six people"
4. Noun. A torpid state resembling deep sleep.
Generic synonyms: Physical Condition, Physiological Condition, Physiological State
5. Noun. A period of time spent sleeping. "There wasn't time for a nap"
Generic synonyms: Period, Period Of Time, Time Period
Specialized synonyms: Beauty Sleep, Kip
Derivative terms: Nap
6. Noun. Euphemisms for death (based on an analogy between lying in a bed and in a tomb). "They had to put their family pet to sleep"
Definition of Sleep
1. v. i. To take rest by a suspension of the voluntary exercise of the powers of the body and mind, and an apathy of the organs of sense; to slumber.
2. v. t. To be slumbering in; -- followed by a cognate object; as, to sleep a dreamless sleep.
3. n. A natural and healthy, but temporary and periodical, suspension of the functions of the organs of sense, as well as of those of the voluntary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more or less unconscious state.
Definition of Sleep
1. Noun. The state of reduced consciousness during which a human or animal rests in a daily rhythm. ¹
2. Noun. (countable informal) An act or instance of sleeping. ¹
3. Noun. Rheum found in the corner of the eyes after waking, whether real or a figurative objectification of sleep (in the sense of ''reduced consciousness''). ¹
4. Verb. (intransitive) To rest in a state of reduced consciousness. ¹
5. Verb. (intransitive) (Of a spinning top) to spin on its axis with no other perceptible motion. ¹
6. Verb. (transitive) To accommodate in beds. ¹
¹ Source: wiktionary.com
Definition of Sleep
1. to be in a natural, periodic state of rest [v SLEPT, SLEEPING, SLEEPS]
Medical Definition of Sleep
1.
A natural and healthy, but temporary and periodical, suspension of the functions of the organs of sense, as well as of those of the voluntary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more or less unconscious state. "A man that waketh of his sleep." "O sleep, thou ape of death." (Shak)
Sleep is attended by a relaxation of the muscles, and the absence of voluntary activity for any rational objects or purpose. The pulse is slower, the respiratory movements fewer in number but more profound, and there is less blood in the cerebral vessels. It is susceptible of greater or less intensity or completeness in its control of the powers.