It is recommended to fall sleep at the time you set before. Healthy Sleep Lite helps you to calculate how much time left before you go to bed. Healthy Sleep Lite help you fall asleep to sleep efficiently and wake up feeling great. Features: - Simple material design build for speed and efficiency - Calculate when to wake up if you go to sleep now or at a certain time - Calculate when to sleep if you want to sleep at a time - Notifications for when to wake up or go to sleep - Factor in time to fall asleep in calculations If you have any feedback or bug report, please contact me using Feedback tab in the app drawer.