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Forerunner 955 Solar missing the start of sleep

In the last 5 days my Forerunner 955 Solar (18.23) has consistently missed the start of my sleep by a few hours. Ie if I go to sleep at 10pm, it will show the start of my sleep at 1am the next morning. It detects my wake up time without issue. There have been no changes to my sleep schedule and I’ve turned the watch on and off. Any ideas?

0 DaKo over 1 year ago

No changes to your sleep schedule... You mean the sleep times you set on the watch? You might check them.

0 2684903 over 1 year ago

I’ve already checked the times on my watch and they’re correct.

0 iceninejim over 1 year ago

Same here. In just the last few weeks, my forerunner 955 has missed the first one or two hours of my sleep 2 or 3 times (and never before, and I have owned the watch for about a year now.) when I’m certain I fell asleep fairly quickly. It gets the rest of the sleep data for the night correctly, including HRV, and wake up time. Nothing has changed for my bedtime or wake up times on the watch.