Listen to 快睡吧 online. 快睡吧 is an Instrumental language song and is sung by 考試. 快睡吧, from the album 學習專注力讀書音樂 - 最有效的學習音樂, was released in the year 2018. The duration of the song is 5:06. Download Instrumental songs online from JioSaavn.