Have trouble sleeping at night? Need something to drown your late-night thoughts and bring you into slumber? If so, then the 
Free Bedtime Fan - White Noise For Sleeping app is for you!

This mobile application for Android offers natural white noise in the form of soothing fan sounds and blocks out unwanted noise to help you sleep better.

It has infinite playback to keep the app and sound running in the background without you having to manually do it. This app also has a sleep timer with soft fade out, so you don't have to disturb your slumber just to turn the application off.