Sleep Timer lets you fall asleep to your favorite music. Just start reading then the countdown. At the end of the countdown , Sleep timer gently reduces the volume and stop the music. Thus, you easily fall asleep without draining your battery.
Listen to music you endormissant
Use your favorite music player or even YouTube!
Choose how long the music will be played
Create your presets for frequently used countdowns
Do not drain your battery
Shake to extend the countdown
For More Info Google Play