Recording sleep with Apple Watch

Same issue for me. Same for my wife. Something happened with an update very recently. Would be curious to see if this is a widespread issue. I have iphone 11 with apple watch 5. Wife has iphone 14 with apple watch 3. Just straight line for "In Bed". Additional data = empty

I have an iPhone 13 and a series 3 watch. I was getting sleep data up until about 2 months ago. It only shows a straight blue line for how long I was in bed. No REM info Deep sleep, nothing. I have reset the watch, unpaired and repaired, restarted my phone, etc. I have done all the things recommended. Any advice?

Ok, so yesterday I went on a mission to fix this issue because the level of upset I was was big…

I have found that the data is there and being recorded just fine! So don't panic there!

I installed a third party sleep tracker from the list that's at the end of the sleep section of the health app (I did a little research and got autosleep and for $6 from a broke all the time person I 10/10 reccomend) and set it up to sync all data with the health app and BOOM the most comprehensive sleep analysis I've ever laid eyes on!

My conclusion: Whatever update that rolled out in September broke the stock sleep apps analysis functionality.

I hope I was able to help! Sorry it's not the answer we all want (for apple to fix their app) but I've at least found a solid work around in the meantime.

I'm having the SAME issue with Apple my apple watch series 9… brand new out the box and I triple checked to make sure everything is set up correctly! And as with any new thing I restart everything involved after setup… soooo… I'm gonna go ahead and say it's an update, and I'm very not happy about it as it's one of the main features I like having a smart watch for because my sleep is iffy at best…

The first (and simplest) thing to try if something isn’t working right is to restart your Apple Watch and its paired iPhone. If necessary (device not responding), try a forced restart. Both methods can be found here:

How to restart your Apple Watch - Apple Support

Restart your iPhone - Apple Support

If that doesn't help, the next steps would be to unpair and pair your watch again and restore from the backup just created. This should result in no loss of data. It deletes all temp and corrupted files and re-indexes the file system.

Unpair and erase your Apple Watch - Apple Support

Set up your Apple Watch - Apple Support

I figured out what is causing this. Hopefully this heels helps many, albeit not all.

Bluetooth is off. Sometimes we turn it off and forget. I did not see this until I was fed up with the default app and downloaded a new app and it requested I turn on Bluetooth for it to sync data. Lightbulbs went off and issue resolved. Ensure your Bluetooth is on.

Appreciate that, @zintainUSA. Well, guess that’s ruled out 😬

i am having the same problem. Any changes I need to make?

Mine is not collecting data while I sleep. I just go it and the new iPhone 15 pro max. My watch is se 2. It won’t pick up premature atrial contractions. ( pac’s) I work at a hospital that can see that, on my equipment. Kinda disappointed, that I got one. PAC’s are very important.

Updated to the most recent version of WatchOS on my watch, and all sleep data is still showing like it should.

I powered cycled. Meaning I powered off and then on. It seemed to do something as it is working again. But great idea to check the bluetooth!