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955 HRV data not being recorded

6517305
over 1 year ago

Today : 

Yesterday:

it was 4:21 am when 955 recorded the HRV data for the first time yesterday.

I updated to 19.18 on the night of 24th May. 955 recorded correctly on the night of 25th and 26th May but failed to record on the night of 27th and 28th May as showing above.

Any help would be appreciated!

  • 0 over 1 year ago in reply to Dave_from_NZ

    As suggested, the restart fixed the issue. Will have to remember to do this in future. Luckily fixed just in time, a couple days more and I'd have had a month of 'Unbalanced'

  • 0 over 1 year ago

    Did anyone face this issue as well with Garmin series? I have a Fenix 7S Pro SS and having issues lately with the measurements: it depends of the day, but always min gaps or lot of. 

    Yesterday:

    the day before 

    in the watch itself there are no gaps, but because I think the way the format of the graph is in the fenix 7s pro ss, since it just continuous the line where the gaps are.

    Does anyone know how to fix it? I don't have any gaps in HR measurements during the day or night.

  • 0 over 1 year ago in reply to olives_19

    Have you tried restarting yet? Trust resolved my issues, this fixed my FR955

  • 0 over 1 year ago in reply to Dave_from_NZ

    yes, did it a couple of times, but doesn't solve the issue.. might be the way I sleep

  • +1 over 1 year ago

    All, 

    Please see the following statement from What is Heart Rate Variability (HRV)?: 

    In some cases gaps in HRV data may happen overnight while the heart rate data shows for the full night. This is due to HRV having a quality requirement. If that requirement is not met, HRV will not be recorded during that time. These gaps in information can form when the heart rate sensor has difficulty getting heart rate. It can be caused by sleeping on your wrist, having the band too loose, or anything that causes a block of blood flow or movement of the watch on the wrist. We recommend wearing the watch with a snug fit that does not cut off circulation. A lot of movement while sleeping can cause this to happen as well so if you are an active sleeper you may see these gaps in your HRV information. 

    If you have any further questions or concern regarding this, please reach out to Garmin Product Support directly.