LONGITUDINAL AND EPISODIC EVIDENCE

Activity Across Time

Longitudinal activity provides context; the accepted repeated protocol remains the stronger controlled comparison.

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WHOOP

WHOOP overnight recovery HRV/RMSSD is longitudinal recovery context, not session HRV.

Strava

Activity, duration, distance, speed, route, and longitudinal context.

Kubios / Polar H10

Episodic session RRI, HRV, ECG, and acceleration evidence. It remains separate from WHOOP overnight recovery.

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Missing source coverage remains missing, and one source is not silently substituted for another.