verb, measure word, pronoun, noun · to be in a state of rest for the body and mind

我昨晚睡得很香。

verb · to recline or rest in a horizontal position

医生叮嘱他术后只能侧着睡，不能平躺。

verb · to have sexual intercourse with someone; colloquial use of 睡 shuì meaning 'to sleep with' in a sexual sense.

很抱歉，我和你的经纪人睡了。