optimization

Nyxo coaching lessons and blog posts in the category optimization.

benefits of sleep sleep duration performance sports exercise optimization chronotype body rhythms Sleep heart rate HRV sleep trackers oura stress recovery alertness restful sleep

How to Optimize Physical Performance by Sleeping

Pietari Nurmi

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Heart Rate Variability (HRV) – Is the Hype Justified?

Most sleep and activity trackers measure heart rate. Many also report something called “heart rate variability” or HRV. What on earth is…

How to Optimize Physical Performance by Sleeping

There is a two-way connection between sleep and exercise. Physical activity improves sleep...