Strange level of stress

6085704 said:

sometimes it does not measure more than an hour

The OHR sensor does not measure HRV when you are moving. You have to stay still, in order to get HRV (unless you are in an activity and using a HRM chest strap).

both photos were in motion. on the basis of what does the Body battery calculate when it doesn't measure stress for 2 hours? I didn't have a problem with the Fenix ​​6xPro and they measured the stress level constantly.

From the help page of the Body Battery page in GC Web:

Receiving Accurate Stress Data

Wearing your device both day and night will produce the most accurate stress data results. Unmeasurable periods of stress can occur when high-resolution heart rate data is unavailable. This includes instances when you are moving your hands a lot, or when you are not wearing your device.

Stress and rest estimates are provided and supported by Firstbeat.

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6085704 said:

on the basis of what does the Body battery calculate when it doesn't measure stress for 2 hours?

The following text from the Body Battery Frequently Asked Questions | Garmin Customer Support may apply for that case too, but the intensity of the activity may be perhaps taken in account too. I did not find a closer description of the algorithm, but there might be something also at Firstbeat

What Happens When I Do Not Wear My Watch?

The Body Battery metric will estimate the charging or draining during short periods when the device is off. If you do not wear it for several hours or longer, the value will reset based on a model and continue from that point once worn.

After wearing the device continuously for a full day, the values should correlate closely to what your Body Battery should be. The more you wear it, the more accurate it should be.

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6085704 said:

I didn't have a problem with the Fenix ​​6xPro and they measured the stress level constantly.

To be honest I doubt it. I used many Garmin watches, and none of them recorded the stress when I was active, or moving excessively. Check the detailed page (not only the In Focus panel) - there are gray lines under the periods of activity (just like on your second photo with the watch). And then please go to the old records with your Fenix 6, and post a screenshot showing some stress data during the active periods with gray underlines, if you find one.

records from my F6X for in the working day. I think the difference is very big. if you notice the date and month

6085704 said:

I think the difference is very big

Yes, there is difference, but I am unable to tell how your activity differed between the day shown in the OP, and these days. However, if you think you were not sufficiently active on that day, and that the wristband fit was OK, then report it on the Beta Program forum, as Dr Phil wrote.

Some activity- work. 
I rather have the feeling that garmin has stopped collecting stress data because it wants to increase battery life. the stress level is now measured less on the basis of what can extend the life of the battery by 2-3 days. but I think that this Body battery will not be measured as accurately, because stress is sometimes not measured even for 2 hours, for example when I move at work, I have a demanding job in terms of movement, even 10-11 KM a day. the heart rate is measured non-stop. I wear my watch 24/7, shower with it and sleep with it. it is also interesting how I sent a photo where sometimes it measures stress continuously and other times sporadically.

6085704 said:

the heart rate is measured non-stop

The heart rate is not sufficient for measuring the stress. HR Variability is needed for that, and HRV can be measured with the wrist optical sensor only when you stay still. If you do not get any stress data while staying still, reach out to the Product Support. If there is no stress data during periods when you move (or the arm moves), then it is the expected behavior.

then I don't see the point of measuring the stress level when a person sits down and is at ease. this does not make sense.... the stress level is the demand of the organism in motion and not at rest.... because when a person is at rest, the stress level is at low values. the stress level must be measured during the day, how strongly the human body is pulled. body performance HRV+stress should be counted as Boddy battery. as I wrote above, it made sense for the Fenix6Pro, but not for the F8. or am i wrong?

So my question is based on what is the Body battery calculated? HRV only? when stress is not measured during an active day for 2-3 hours without a record?

Laurie? 

My Body battery from yesterday 

the record shows that HRV and Stress were not measured for 3 hours. I work from 7:00 a.m. to 5:00 p.m. every day, so at that time I had the Watch on my hand.