A free app for Android, by Opowice.
Sleep Timer Master is a healthy and effective way to easily fall asleep and wake up naturally. It helps you sleep better, work smarter, and achieve more during your daytime by allowing you to wake up refreshed and energized without being dragged down by the stress of an alarm clock. Adjusting your sleep habits may be the solution. Over time, you will see a difference in your energy level and ability to concentrate on tasks. Sleep Timer Master is the simplest and the most accurate way to calculate how much time is left before you go to bed. It helps users fall asleep faster and sleep deeply with proven strategies that are scientifically backed to increase your brain's ability to heal itself from stress.
