Listen to Thunderous Raindrops: Natural Sleep Aid for Insomnia and Restlessness online. Thunderous Raindrops: Natural Sleep Aid for Insomnia and Restlessness is an Instrumental language song and is sung by HarmonicLab Warrior. Thunderous Raindrops: Natural Sleep Aid for Insomnia and Restlessness, from the album Gentle Thunderstorm Ambience: Soft Rainfall and Distant Thunder for Meditation, was released in the year 2024. The duration of the song is 2:02. Download Instrumental songs online from JioSaavn.