This android app helps me a lot: https://play.google.com/store/apps/details?id=com.urbandroid.sleep.full.key&hl=en https://play.google.com/store/apps/details?id

This android app helps me a lot: https://play.google.com/store/apps/details?id=com.urbandroid.sleep.full.key&hl=en https://play.google.com/store/apps/details?id=com.urbandroid... It will tell you when you should go to bed to wake up easily at a certain hour. There are lots of similar apps for fitness devices and smartwatches, too.