verb, noun, pronoun, modal particle, punctuation · to regain consciousness after sleep; to be in an awake state

天快亮了，他却还没有睡醒。

verb, idiom, modal particle · to come to a realization or become clear-headed about a situation

听了他的话，我如梦初醒。

verb · to recover from the effects of alcohol or anesthesia

他喝了一杯浓茶，酒很快就醒了。