Listen to Healing Sleep Sound online. Healing Sleep Sound is an Unknown language song and is sung by Baby Training Academy. Healing Sleep Sound, from the album Baby Sleep Training - Baby Soothing Lullabies Relaxing Nature Music, Baby Sleep Training with Royal Lullaby Music, Relaxing Night Music, White Noise, Soothing Music for Babies, was released in the year 2014. The duration of the song is 6:17. Download Unknown songs online from JioSaavn.