Does anyone use a Fitbit that has a heart rate display? I notice mine sometimes jumps around wildly and wondered how accurate it is? My resting heart rate is always in the 60s, but just now I happened to glance at my wrist as I switched the kettle on and it had jumped to 122 - now I have just sat down with my tea it’s 75. We don’t have a huge house and I didn’t climb any stairs to the kitchen! Usually a walk registers an average BPM of about 105ish if I look at the app, and I was conscious I was really anxious before a work meeting earlier and aware of my heart beating faster at the beginning of that. (Meeting was fine, as it happens, but I had got myself into a bit of a tizz beforehand.)
I feel like I am getting a cold if that makes any odds.