Proper HRV measurements are supposed to be taken laying down or sitting (pick one and stick with it) and at the same time of day, typically before doing anything. So, trying to calc HRV after an exercise session seems even more pointless than trying to measure it accurately.
Proper HRV measurements are supposed to be taken laying down or sitting (pick one and stick with it) and at the same time of day, typically before doing anything. So, trying to calc HRV after an exercise session seems even more pointless than trying to measure it accurately.