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 Azul Adams. Thunderous Raindrops: Natural Sleep Aid for Insomnia and Restlessness, from the album Thunderstorm Deep Rest: Nature’s Sounds for Peaceful Nights, was released in the year 2024. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.