Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the variation in the ...
HRV represents one of the most promising such markers. The apparently easy derivation of this measure has popularized its use. As many commercial devices ...
In Human Design the birth place is only used to obtain the correct time zone and so it is not essential to specify the correct city only one that is in the same time ...
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