【睡觉】
It's time for us to go to bed.
It's time for us to go to bed.
我们该去睡觉了。
I'm going to bed.
我睡觉去了。
You should take your make-up off before you go to bed.
你应该在睡前卸妆。
Have a good/nice/sweet dream.
做个好梦。
Sleep tight.