Sweet Slumber is a new sound simulator that currently has over a 120 different sounds with the ability to combine sounds for an unlimited number of combinations. If you have any trouble sleeping, want to block out your noisy roommate, or just like the ambiance that background sound creates, then this is the app for you. Features included are, a 123 different sounds, volume adjuster, adjustable backgrounds, and an unlimited number of sound combinations. If the sound you are looking for is not in the app, you have the ability to request a sound so that it can be added to the list of sounds.