sleep - definition, thesaurus and related words from WordNet-Online

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Noun sleep has 4 senses

sleep, slumber - a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
--₁ is a kind of physiological state, physiological condition
--₁ has particulars:
sleeping; orthodox sleep, nonrapid eye movement sleep, NREM sleep, nonrapid eye movement, NREM; paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement, REM; shuteye

Derived form: verb sleep₁
sleep - a torpid state resembling sleep
--₂ is a kind of physiological state, physiological condition
sleep, nap - a period of time spent sleeping; "he felt better after a little sleep"; "there wasn't time for a nap"
--₃ is a kind of time period, period of time, period
--₃ has particulars: beauty sleep; kip
Derived forms: verb sleep₂, verb sleep₁
rest, eternal rest, sleep, eternal sleep, quietus - euphemisms for death (based on an analogy between lying in a bed and in a tomb); "she was laid to rest beside her husband"; "they had to put their family pet to sleep"
--₄ is a kind of death

Verb sleep has 2 senses

sleep, kip, slumber, log Z's, catch some Z's - be asleep
--₁ is one way to rest
Antonyms: wake

Derived forms: noun sleep₃, noun sleep₁, noun sleeper₁, noun sleeping₁
Sample sentence:
Sam and Sue sleep
sleep - be able to accommodate for sleeping; "This tent sleeps six people"
--₂ is one way to accommodate, hold, admit

Derived forms: noun sleep₃, noun sleeper₆, noun sleeper₅
Sample sentence:
Something ----s somebody