Listen to Rain Sound: Baby Sleep Time online. Rain Sound: Baby Sleep Time is an English language song and is sung by White Noise Research, Yoga Music and Study Music. Rain Sound: Baby Sleep Time, from the album Spa Rain Sounds, Rain Sounds for Meditation, Sleep Rain Sounds, Background Study Music, was released in the year 2017. The duration of the song is 2:29. Download English songs online from JioSaavn.