Listen to Sweet Sleep On A Boat Swinging Softly online. Sweet Sleep On A Boat Swinging Softly is an Instrumental language song and is sung by Relaxing Mode. Sweet Sleep On A Boat Swinging Softly, from the album Best Sweet Sleep Music Collection Of Gentle Piano Lullabies 11, was released in the year 2025. The duration of the song is 1:58. Download Instrumental songs online from JioSaavn.