The Tracker Tango in the Data Jungle: Which Device Should I Believe?
Whoop says rest day, Garmin says threshold training. Why wearables contradict each other, and why your measurement method matters more than who is right.
6 articles
Whoop says rest day, Garmin says threshold training. Why wearables contradict each other, and why your measurement method matters more than who is right.
What HRV really measures, why your nervous system sets the tempo, and why twenty seconds before you hit start decide the data quality of an entire session.

On many Garmin watches HRV recording is off by default and gets reset by firmware updates. Here is how to enable it so obseed can analyse your HRV.
Comparing HRV apps for runners, cyclists, and triathletes: how obseed, HRV4Training, Elite HRV, WHOOP, and Garmin Connect stack up on metrics and value.
A practical guide to HRV-guided training: how to read your morning HRV, when to push hard vs rest, and how to avoid the most common mistakes.
60+ HRV metrics across 9 physiological categories from your wearable: Poincaré, DFA alpha-1, multiscale entropy, personal baseline, and 15-page reports.
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