adj.(人)醒着的；(夜间)不眠的；睡不着的
She had a wakeful night spent in prayer. 她整夜祈祷。
She had spent many wakeful nights worrying about him. 她度过了许多不眠之夜，为他担心。
He was wakeful yesterday. 他昨天没有睡着。
I have been wakeful at night for a couple of days. 我已经几天晚上睡不着了。
n.觉醒；不眠
