Listen to Restful Sleep online. Restful Sleep is an Unknown language song and is sung by Sweet Baby Lullaby World. Restful Sleep, from the album Golden Slumber Lullabies for Baby, Natural Sleep Aid, Rockabye Help for Baby No Sleep, Easy Nap, was released in the year 2017. The duration of the song is 4:00. Download Unknown songs online from JioSaavn.