Listen to Sleep Sounds online. Sleep Sounds is an Unknown language song and is sung by Baby Bath Time Music Academy. Sleep Sounds, from the album Sounds for Babies – Deep Sleeping Music for Babies, New Age, Soothing Sounds for Newborns to Relax, Pure Nature Sounds, Calm Music for Bath, was released in the year 2016. The duration of the song is 4:51. Download Unknown songs online from JioSaavn.