White Noise 5.0.3 Full APK. Relax. Sleep better. It feels better. Download White Noise and sleep well! White Noise has 40 ambient sounds to help you relax or sleep. Background music service, stop, multiple alarms, sound controls and high-quality sound in a loop timer as ocean waves, rain storms, stream, etc.. Recommended by Health Magazine and the Washington Post. Find out why the world is sleeping better!