sleep analysis pauses

Former Member
Former Member
Hello everybody.

I have Fenix 5 watch, worn on left hand. I occasionally have some pauses in sleep analysis, where my watch does not track sleep and heart rate. It's a black pause that does not even count to "sleep hours". If you see the attached photos in the post, you could see my position during this "blackout". My hand is under the head.

My watch is not loose at all. Maybe it is a bit too tight. I barely can insert a finger beneath the strap. So please don't tell me it should be tightened.

Why would that happen? Are other watches do the same thing to others? :)

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