A recent studied shows that Garmin watches like the one I have give HRV stress r... | Hacker News

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		PaulHoule 6 months ago \| parent \| context \| favorite \| on: Artificial biosensor can better measure the body's... A recent studied shows that Garmin watches like the one I have give HRV stress readings that don't correlate well to self-reports of stress https://www.theguardian.com/technology/2025/aug/08/smartwatc... The stress paradigm is probably the most holistic idea in medicine and I think any attempt to break it down to a number is reductivist.

m463 6 months ago [–]

I have a garmin watch and my take is that stress is not really a spot reading.

However, I am certain that some really bad days I've had have shown very high stress on the watch across the day.

also relaxing can show low stress during a window (like sleep is low stress)

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