睡觉用英语怎么说

fall asleep
go to bed
fall asleep强调入睡的动作
be asleep 强调睡着的状态
意思都是入睡
例如：The baby is asleep,don't turn up the radio.
My father was so tired that he fall asleep quickly.

go to bed

sleep
fall asleep
go to bed

go to bed
sleep

sleep
fall asleep
go to bed