Quote:
Originally Posted by TurtleWA
I've heard about those. It tracks how deep of sleep you get right? Is it the one that listens to your breathing and knows if you wake up or something? Someone was telling me about the app the other day but I was a little confused.  |
It measures motion during sleep.
The deeper you are in sleep, the less you move.
Then what it'll do is have the alarm go off during a lighter time of the sleep cycle, so you're not startled awake.