英和和英

the time you go to bed

the time one goes to bed

the period spent sleeping

a period of sleeplessness

to take a nap

the act of sleeping

to lie completely stretched out

a couch

a period of time spent sleeping

take a siesta

to go to bed―go to sleep―retire to repose

to stay in bed later than usual in the morning

to sleep in the open air

a nap

one's condition when sleeping

Go to bed.

take a nap

I'll retire to bed.

I'm going to bed.

one's sleeping posture

a nap

the process of taking a nap

am/are/is sleeping

to sit up―stay up

to keep watch―keep vigil

a prescribed bedtime

to put a person to sleep

I am going to sleep.

the act of taking a brief nap

to lie on one's side