One of the exciting stuff in iOS 10 betas is the "wake alarm", that helps you to examine your sleep analysis. When it comes to sleep, the quantity really matters, how you feel during your waking hours depends upon how much and how well you sleep.
This new 'wake alarm' update really sounds good. It's not like the usual alarm clock just setting your wake up time is one, this new wake alarm works in a different pattern. You have to start by adjusting how much hours you need to sleep, and when you want to wake up. After waking you up in the morning, you'll also get an alarm of your bedtime.
This alarm will surely help you to improve your sleep.So, Apple is really enhancing in responding to human nature.