Unable to sleep due to worries or anxieties; preoccupied to the point of sleeplessness.
他因为明天的重要报告，整夜寝不聊寐，反复思考每一个细节。
He was unable to sleep all night because of tomorrow's important presentation, constantly reviewing every detail.
Next Idiom
Unable to sleep due to worries or anxieties; preoccupied to the point of sleeplessness.