Heart Rate And Exercise: Why HR Variability May Be The New Frontier
The Real Science of Sport Podcast
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How to Measure Sleep Using Polars?
Polar gives you two beaks your sleep into two scores. One is your er, i forget, y called a n s response, and elements ot sleep quality. Andthe a n s is what it's measuring as h or v. But that when wen these devices tell you how often youe spent in deep sleep and light sleep and ram sleep, that's where they start making, i think, pretty big guesses.
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