Posthumous analysis of a man's Apple Watch and Oura data reveals subtle signals before death

5le · x · 2026-10-28

Researchers retrospectively studied the Apple Watch and Oura data of a health-conscious 76-year-old man after his death, finding non-obvious physiological signals beforehand: declining HRV and rising heart rate. Long-term consumer wearable data may contain previously overlooked health warning signs.

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