Recommend ways to optimize deep sleep

From Anonymous on 2016/02/07 17:45:15 +0000

You recommend sleep times based on maximizing deep sleep. Some of us get way to much deep sleep (80%+) and end up groggy and tired. (had a sleep study that confirmed this)
Want to the app to tell me the best sleep length and bedtime that corresponds with the normal deep sleep range.

Copied from original feature request: http://urbandroid.uservoice.com/forums/264867-sleep-as-android/suggestions/12245271-recommend-ways-to-optimize-deep-sleep