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sleep

 
 
/sliːp/ noun

Definition

[U, no plural] the state you are in when you are sleeping, or a period of time when you are sleeping: I haven't had a good night's sleep (= a long sleep at night) for weeks. You need to go home and get some sleep. It took me ages to get to sleep (= to succeed in sleeping). He died peacefully in his sleep.
go to sleep to begin to sleep: Babies often go to sleep after a feed. informal If part of your body goes to sleep, you cannot feel it: I'd been sitting on my feet and they'd gone to sleep.
put sth to sleep to kill an animal that is very old or ill
could do sth in your sleep to be able to do something very easily
(Definition of sleep noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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