5 Everyday Lifestyle Habits That Silently Damage Your Heart Rate Variability and Stress Recovery
Sleeping Late Even When You Get Eight HoursTotal sleep duration gets all the attention. Timing gets almost none. HRV is governed largely by the autonomic nervous system, which runs its deepest parasympathetic recovery between roughly 10 pm and 2 am. A 2017 review by Shaffer and Ginsberg published in Frontiers…
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