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Tag: hrv wearable accuracy

HRV Wearable Accuracy: Why Your Readiness Score Can Mislead

Diagram: HRV Wearable Accuracy: Why Your Readiness Score Can Mislead — How accurate is the HRV on a smartwatch; Why does the watch get heart rate right and HRV; Should one low HRV score change whether you; Is a chest strap or overnight tracking more;

Key takeaways No, your watch's morning HRV number is not reliable enough on its own to decide whether you train hard, rest or worry. Use the wrist number as a trend against your own baseline, and anchor that baseline with a controlled measurement you can retest. No, your watch's morning HRV number is not reliable […]