I'm pretty new here, no diagnosis - not really sure if it is CFS or not but lot of symptoms seem to match. Been to my Dr, cardiologist, and have a stress test at the end of the month. I've been having symptoms for 3+ months. Overall still pretty functional ( can see my intro post for more details).. So I can't quite figure out average heart rate stuff. I'm all over the place. In general a higher average heart rate for a time period means I feel a bit to moderately worse ( muscle feel it, can get more of a headache / head symptoms, fever feeling without a high temp). Some examples: I'm pretty consistent now with no major activity, but average 4000-7000 steps a day. Baseline good day at home, feeling decent, no stress = ~60-70 HR average. Bad sleep night ( 4 hours 5 hour aver HR at work == 93 HR average. Average day at work ( 6 hours)- morning hours 70, after lunch 85 Overnight Sleep - around 55 average. At home laying down resting 50-70. In recliner 55- 70 ( no / little stress) Physical activity definitely raises the heart rate quickly, but so do other things (I'm 42, max HR is 178) Walking up one flight of steps (130), doing that and brushing my teeth ( 150), shower/drying off - 150 Playing basketball ( shooting around, moderate activity - well used to be light activity 4 months ago) - 160+ Walking on flat surface- varies - 80-100. Usually standing causes HR jump, it will lower a bit, but walking seems to lower it even more. Slight hill - 130+ Dr appointment , sitting - 130-150 - ( lot of anxiety) Stressful online poker hand - 130-140. (whoah! I don't do that much anymore) Eating a big meal with carbs???? 110? and raised for a while afterwards. From rest to bathroom to rest - 50ish to 110/120ish. back down to 50ish What's my question? I'm not quite sure! But here it goes Pots / Dysautomonia - I've read a lot, but can't quite figure out if pots/dysautomonia is what I am affected me, or if it matters much. - I'm not that symptomatic when HR is high, I feel it, and don't want to be in that state very long. The fact that both standing/activity or high stress ( while sitting) can cause my HR to go through the roof... It's almost like my body just sucks at any sort of stress - mental or physical. I ask the above question because I imagine my cariologist stress test will be fine and don't expect my cardiologist to do much but send me on my way. Out of all my symptoms, my HR craziness is there and real and strong. I feel like I should be ready to push for next steps I sort of hate focusing on my HR, I focus on it a bit too much. But lower HR == me feeling better ( especially later in the day). My morning HR / HRV check is pretty consistent no matter how rough a day yesterday was ( as long as I get enough sleep). Is it common to monitor heart rate throughout the day? I want to balance useful/helpful information over obsessing over it.