Definitions from Wiktionary ( )

▸ verb:  (intransitive) To rest in a state of reduced consciousness.
▸ verb:  (idiomatic, euphemistic) To have sexual intercourse (see sleep with).
▸ verb:  (transitive) To accommodate in beds.
▸ verb:  (intransitive, idiomatic) To be careless, inattentive, or unconcerned; not to be vigilant; to live thoughtlessly.
▸ verb:  (intransitive, euphemistic, idiomatic) To be dead.
▸ verb:  (intransitive) To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant.
▸ verb:  (computing, intransitive) To wait for a period of time without performing any action.
▸ verb:  (computing, transitive) To place into a state of hibernation.
▸ verb:  (intransitive, mechanics, dynamics) To spin on its axis with no other perceptible motion.
▸ verb:  (transitive, mechanics, dynamics) To cause (a spinning top or yo-yo) to spin on its axis with no other perceptible motion.
▸ noun:  (uncountable) The state of reduced consciousness during which a human or animal rests in a daily rhythm.
▸ noun:  (countable, informal) An act or instance of sleeping.
▸ noun:  (informal, metonymically) A night.
▸ noun:  (uncountable) Rheum, crusty or gummy discharge found in the corner of the eyes after waking, whether real or a figurative objectification of sleep (in the sense of reduced consciousness).
▸ noun:  A state of plants, usually at night, when their leaflets approach each other and the flowers close and droop, or are covered by the folded leaves.
▸ noun:  The hibernation of animals.
▸ noun:  A surname.

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