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It's "because we should", because you really can't. Apps like Sleep++ track the watch movement. If you lie awake, but still, it will think you are in a deep sleep.
how do other sleep trackers work?
 
how do other sleep trackers work?
I think most of them do the tracking through movement. Many people who have used one (me included) really like the feature. AFIK, every activity tracker over $120 natively offers sleep tracking except the AW.
 
I think most of them do the tracking through movement. Many people who have used one (me included) really like the feature. AFIK, every activity tracker over $120 natively offers sleep tracking except the AW.
sleep pulse 2 does tracking through movement. You can set the movement level(1-3). There are apps that will do sleep tracking not sure how apple can implement it better.
 
To me, absence of core activity tracker features like sleep tracking, barometric altimeter, heart rate analysis is akin to releasing a mobile phone without essential features like a contact manager, email client, browser, etc. These should be part of the core package, integrated into a unified interface. This is how the rest of the activity tracker marketplace works. Apple either thought different, or they simply failed to think. Sure, there is an app for that, but as a user, I do not want to have to look around and find a collection of five or six disparate apps that a single interface should provide. It is how I want to view and understand my data. I will buy a Garmin or Fitbit tracker before I attempt to do it half-arsed on the AW.
 
Been using Sleep++ since its inception. Was a bit inaccurate when it first launched, but has been greatly improved and now as accurate as my FitBit ever was. I just take off my watch after I've closed my rings and about 30 min before bed, wear it to sleep, and put it on to charge the next morning while I shower and get dressed. Sounds like a pain but really simple in execution.
 
It's "because we should", because you really can't. Apps like Sleep++ track the watch movement. If you lie awake, but still, it will think you are in a deep sleep.

I feel like the likelihood of lying awake but perfectly still, for hours, is very small. This method also would not be an issue with being still while awake if they required you to start a sleep "session" before going to bed.
 
I feel like the likelihood of lying awake but perfectly still, for hours, is very small. This method also would not be an issue with being still while awake if they required you to start a sleep "session" before going to bed.
And you may *think* you're lying very still but you'd be surprised how much you still move. I started a sleep last night and didn't fall asleep for about half an hour, and it counted me as awake even though I was lying pretty still.

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Sleep++ has been updated with WatchOS3 support and works really well.

Still very different results to what my Fitbit Surge generates for my sleep.
 
One thing I should have done was wear my AW with a sleep tracker app (and maybe another tracker, like a Fitbit) when I had my sleep study at the hospital earlier this year.

I think the gadgets would have been prohibited (possible interference with the hospital sensors; I think they made me turn off my phone, too), but it would have been good to get a direct comparison with medical equipment.
 
And you may *think* you're lying very still but you'd be surprised how much you still move. I started a sleep last night and didn't fall asleep for about half an hour, and it counted me as awake even though I was lying pretty still.

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That's good. I figured it would be pretty sensitive. The real question is do you really lie completely still when sleeping? I would assume you roll around every once in a while, but after that brief moment are you lifelessly still during sleep? If so, then it's a good indicator.

Further questions can be asked about quality of analysis through lying super still but not being asleep is counting as rest (like a nap, without being fully asleep). I would still count that as rest, but not deep sleep; which is why some applications have "deep sleep" functionality - similar to phone sleep states :p
 
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