Sleeptracker is a watch you wear during the night. You set an alarm time and a ‘window’ time within which the Sleep tracker watch will sound its alarm if it detects that you are almost awake. Sleeptracker detects when you are ‘almost awake’ through an accelerometer (a device that detects movement) in the watch. In effect, when your arm shakes or moves in a certain way in your sleep, Sleeptracker believes you are almost awake. When one of these arm shakes/movement occurs during your wakeup window, the Sleeptracker alarm sounds.
With Sleeptracker, you have to eliminate any possible noise source that may cause unnatural 'almost awake' moments during your wakeup window, or else Sleeptracker will sound its alarm. (This includes coordinating alarm times with whomever you may live with, something I discovered the hard way.) While this may seem like common sense, it is surprising to discover how many "normal" nighttime events can cause these unnatural wakeup events.
Before I went to bed each night, I did the following:
1. Set Sleeptracker wakeup window (0, 10, 20, or 30 minutes)
2. Set Sleeptracker "Go to Bed" Time
3. Set Sleeptracker Alarm time
4. Set a normal, louder alarm as a secondary backup in case Sleeptracker didn't wake me.
Realistically, that's too complicated to do on a nightly basis (albeit most of the set-times shouldn't change on a daily basis, but you still are inclined to check each time before going to bed.
