Health App Stopped Tracking Sleep Data

Hi everyone,

My iPhone used to track all my sleep data perfectly through the Health app, but suddenly it stopped showing any sleep tracking. I haven’t changed any settings, and everything worked fine before. Has anyone else experienced this or know how to fix it? Any help would be greatly appreciated!


Thanks in advance!

iPhone 11, iOS 18

Posted on Oct 4, 2024 5:10 PM

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Posted on Jan 6, 2025 4:02 AM

Please restore the deleted feature of iPhone only sleep tracking

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Dec 17, 2024 6:06 AM in response to SONAR3

Good job SONAR Just had an update a couple of days ago and NO tracking for 2 days on the phone. Good on the watch but didnt talk to the phone. Followed your suggestions and BAM works great. I didnt even know how to shut off my watch so learned a couple of things............thanks

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Mar 18, 2025 5:34 AM in response to SONAR3

Doing this fixed where the clock source had been grayed out in the health app for sleep. It is no longer grayed out so hopefully this fixed it, I will know later.


In my older iPad which only supports up to version 12.5.7, the health app installs but the opening pagecremains blank. Hopefully it is just downloading the data.

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Mar 26, 2025 10:22 AM in response to SatCartoonKid

I'm not sure about the physiology involved, but measuring sleep stages does involve inferring them from body movements, among other things. Accordingly, it's quite likely that having an Apple Watch ON YOUR WRIST while sleeping makes the estimates much more accurate. Frankly, I have NO idea how an iPhone sitting in its charger can tell whether or not you're even asleep, let alone in what stage.


However, I CAN tell you what works for me. At least a half hour before I retire for the night, I'll put my watch on my charger, then put it back on my wrist just before going to sleep. For this to work, I must ALSO manually "start" the watchOS "Sleep" app ON THE WATCH. If I don't, the iPhone might guess WHEN I was sleeping, but not make ANY attempt to assess in what stage of sleep, and those estimates are often dramatically incorrect. So, in the end I think Apple is just trying to give users the most accurate data available FROM the pairing. I DON'T know, however, why it's necessary for me to take that extra step of "opening" the app on the watch just before I go to sleep.

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Health App Stopped Tracking Sleep Data

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