| asleep | (adjective) in a state of sleep | - |
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| (adjective) dead | Synonyms: at peace, at rest, deceased, departed, gone |
| (adjective) lacking sensation | Synonyms: benumbed, numb |
| (adverb) into a sleeping state | - |
| (adverb) in the sleep of death | - |
| bleep | (noun) a short high tone produced as a signal or warning | Synonyms: beep |
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| (verb) emit a single short high-pitched signal | - |
| electrosleep | (noun) unconsciousness brought about by the passage of a low voltage electric current through the brain | - |
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| oversleep | (verb) sleep longer than intended | - |
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| sleep | (noun) a natural and periodic state of rest during which consciousness of the world is suspended | Synonyms: slumber |
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| (noun) euphemisms for death (based on an analogy between lying in a bed and in a tomb) | Synonyms: eternal rest, eternal sleep, quietus, rest |
| (noun) a torpid state resembling deep sleep | Synonyms: sopor |
| (noun) a period of time spent sleeping | Synonyms: nap |
| (verb) be asleep | Synonyms: catch some Z's, kip, log Z's, slumber |
| (verb) be able to accommodate for sleeping | - |