Latest / The Resilient Engine with Dr. Jay Wiles
HRV CV 101: Why a Stable HRV Beats a High One
Every wearable hands you one number in the morning and a traffic light to go with it. Most people check it daily and change nothing. Dr. Jay Wiles argues that is worse than not tracking at all: data without action is a waste of time, and a red light you cannot act on is one more source of stress.
This episode is about the number to watch instead. HRV CV, the coefficient of variation of heart rate variability, measures how steady your HRV stays across a rolling week rather than how high it reads on any one morning. Average HRV tells you where you sit. HRV CV tells you whether your nervous…
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