Listen to Just Relax and Sleep online. Just Relax and Sleep is an Instrumental language song and is sung by Planet Serenity. Just Relax and Sleep, from the album Peaceful and Quiet Mind – Soothing Sounds to Prepare Your Mind for a Healthy Meditation, was released in the year 2019. The duration of the song is 7:18. Download Instrumental songs online from JioSaavn.