Definition
HRV (heart rate variability)
A wearable-derived metric Ryan wants in his record, and a good example of data that matters to the patient more than to the clinician.
From the episode “He Quit Venture Capital to Build an AI Workforce for Patients”How founders on the podcast use it
Beat-to-beat variation in heart rate, used as one of several proxies for sleep stage and recovery when EEG is not available.
Chronic Insomnia: Almost None Get Treated — Colin Lawlor on the Sleep Data GapHear it on the podcast2 episodes
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