Sounds, music, stories and meditations designed to help you achieve better sleep, focus, relaxation, breathing, energy levels, and more. Sound Machine is music with a purpose. Music beyond entertainment. More and more people are using music in very specific ways: to help pump themselves up at the gym, to focus at work, and even get better sleep. This new genre of audio— “Functional Music” — is quietly soaring in digital popularity. You can find it dispersed across Spotify playlists, Youtube v