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When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
I was wearing my apple watch during the night, In order to track my sleep.
I woke up to notice it failed to measure my heart rate for a couple of hours, as well as the activity app failing to recognise it as an idle hour.
I didn't take it off , nor was I charging it during the night .
What is the problem with it?
Is it defective
NB: I've only had the Apple watch for 7 months.
Apple Watch Series 5, watchOS 6
You may need to clean the sensors on the back.
Make sure that the watch is snug on your wrist. https://support.apple.com/en-ca/HT204665
Going by your description it sounds more like it is not snug enough
You may need to clean the sensors on the back.
Make sure that the watch is snug on your wrist. https://support.apple.com/en-ca/HT204665
Going by your description it sounds more like it is not snug enough
My Apple watch fails to measure heart rate when I am wearing it
