What's Waking You Up?

I am using an ap called sleep cycle. Its purpose is to be a sleep tracking ap for your iphone. It tries to track how awake it thinks i am by motion and by the microphone. And then i give it a window in which it can try to wake me in the morning. That's what i'm currently using. But it is sub optimal for a variety of reasons. One is, even though it does sort of fine, i don't think it's great if you have two people in the bed,. Because it can't as accurate as a watch could be for tracking sleep. Secondly, the iphone six plus motor is loud. So it can definitely disturb my