Listen to Asleep online. Asleep is an English language song and is sung by Nature Sound Series. Asleep, from the album Asleep with Natural Lullabies – Sounds of Nature, Calm Down, Sleep, New Age for Sleep, Deep Sleep, Relax, Natural White Noise, was released in the year 2017. The duration of the song is 3:02. Download English songs online from JioSaavn.