Definition of "Sleep" :

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."

noun: a natural and periodic state of rest during which consciousness of the world is suspended

"He didn't get enough sleep last night."

noun: a torpid state resembling deep sleep

noun: a period of time spent sleeping

"He felt better after a little sleep."

verb: be asleep

verb: be able to accommodate for sleeping

"This tent sleeps six people."