I have been experiencing issues with regards to the 955 heart rate sensor during the sleep tracking phase recently (appears to be happening more frequently after the 13.23 update). Basically once I go to bed the heart rate sensor appears to go off from between 30-60 mins every night since the software update. Last night after 5 mins of going to bed I noticed that the optical heart rate sensor had gone off and the only way to get it to come back on was to either move my watch or go to the heart rate widget. Then this morning I noticed a 30 minute interval where there is no heart rate data.
Appears that the OHR sensor goes off when no movement is detected (during sleep phase) and this has happened over a few nights. I keep my watch on most of the time and during the day the OHR sensor works just fine even during naps.
Anyone else noticed this? It appears to also be happening on my wife’s Venu 2. The heart rate also goes missing 30 to 60 mins right after bed time and comes back on again much later.
Not sure if it’s a hardware or software related issue.