Listen to 乖乖睡 online. 乖乖睡 is an Instrumental language song and is sung by 考試. 乖乖睡, from the album 小學霸2019 - 學生們最喜歡聽的鋼琴曲為了學習，複習和考試, was released in the year 2019. The duration of the song is 4:10. Download Instrumental songs online from JioSaavn.