Listen to Relaxation Time for Baby (Deep Sleep, Serenity) online. Relaxation Time for Baby (Deep Sleep, Serenity) is an Unknown language song and is sung by Music Festival Lullabies. Relaxation Time for Baby (Deep Sleep, Serenity), from the album The Greatest Lullaby Songs for Babies - Must Have Baby Sleep Music, Lullabies for Babies and Newborns Sleep, was released in the year 2014. The duration of the song is 8:15. Download Unknown songs online from JioSaavn.