Listen to 睡眠促進効果 online. 睡眠促進効果 is a Japanese language song and is sung by おやすみポーズ. 睡眠促進効果, from the album リラクゼーションヨガポーズ: シャバーサナ, 瞑想ヨガＢＧＭ, 睡眠促進効果, was released in the year 2021. The duration of the song is 3:45. Download Japanese songs online from JioSaavn.