04/14/2026
Most people sleep 7–8 hours 😴 and still wake up tired. Why?
Because it’s not just about sleep. It’s about recovery.
HRV (heart rate variability) shows whether your body actually shifts into a true “rest-and-repair” mode at night.
In a Tom’s Guide feature, medical doctor and mental health expert at Welltory Anna Elitzur explains how HRV and heart rate change during sleep – and what actually supports overnight recovery.
👉 Swipe left to learn 3 simple ways to improve recovery in the carousel. Save for later!