I made a video of 11 secs. The heart beat changes consistently and uncontrollably. Is that normal? Here is the Microsoft onedrive link: https://1drv.ms/v/s!AvwKklbCMkswk_B_577hyxj7OKHwIw
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@arturmeireles, that does not seem like a very wide variation on the heart rate. I just watched mine, and it went from 76, 78, 77, 78, 76. But, it is totally dependent upon the placement of the watch on your arm.
Best AnswerHeart rate does jump around quite a bit. If you move your arm to activate the fitbit it will usually show a large increase. Standing up suddenly will also do this. I originally had the Basis watch. It measured actual heart rate more frequently than most devices at the time. The Sense is getting better at measuring more frequently.
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