wake·ful /ˈweɪkfəl/ adjectiveadj literary a) WAKE UP/GET UPnot sleeping or unable to sleep 醒着的;不能入睡的 She lay wakeful in her room for most of the night. 她躺在自己的房间里,一晚上大部分时间都不能入眠。
b) WAKE UP/GET UPa wakeful period of time is one when you cannot sleep 〔时间〕不眠的 —wakefulness noun [uncountableU]