Today’s app, Sleep as Android, is an app that provides nature sounds in optimal sleep phase, which tracks the users’ sleep and provides the most effective alarm each morning, waking you gently at the point of the lightest sleep for a pleasant start of the day.

The highly-rated app is basically an alarm clock with a sleep cycle tracker. It features a whole range of data, including sleep graph history, sleep debt stats, sharing (FaceBook, email), nature alarms (birds, sea, storm…) with gradual volume up, music volume down when asleep, captcha, sleep talk/snoring recording…

Want to get to know yourself when sleeping? This free app is just for you.