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Erroneous HR all the time while doing Yoga

PRK91
1 month ago

Venu 3 on stable firmware, 14.15.

I started a Yoga activity, and my aim was to just lie down and do nothing. I just wanted to see what it does, and it is a fun thing to do. But accidentally I discovered a HR bug or issue while doing Yoga. For all the Yoga activities I recorded, there is a sudden drop in HR, which is accompanied by a sudden drop in stress levels too. 

Added are the images and I have marked them with black lines to indicate the drop area and in certain sections the Stress becomes 0 and my HR drops from like 75 to 35 or so. I admit I am lying down but such a vast difference in short amount of time and the stress becoming 0 sounds too hard to believe.

Anyone else observe this strange issue?

  • 0 1 month ago

    IDK.  Perhaps the strap is a bit too loose?  It's best if the back of the watch where the sensors are keeps constant good contact with the skin. If a bit loose, maybe laying the arm on the mat moves the watch enough to cause an issue?

  • 0 1 month ago in reply to looigi

    Nope it was not loose. I was just lying on my bed, not doing Yoga, zero exercise, just plain lying down. I even dozed off a bit on some of these activities, like for 10-15 minutes. The 1st image in fact was today (30:05 duration) and I dozed off for the entire time. I did this deliberately to check what's going on with the HR sensor. The 1st time I did Yoga activity, I did not sleep, was just lying down with eyes open and the HR showed drops here and there; with that happening I decided to start an Yoga activity whenever I take power naps and todays was one of those and you can see a huge drop in HR at some intervals. Then I noticed my sleep patterns and find this unusual drop in HR in sleep too. Some drops are gentle and some are so sharp.