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Does Apple marketing guarantee that it will work? I bought watches for my parents, partly because of the feature, but I never had the impression that it was guaranteed to correctly detect all (or even most) life threatening situations


> I never had the impression that it was guaranteed to correctly detect all (or even most) life threatening situations

Apple Watch detects falls, not unconsciousness. It doesn't detect heart attacks either.

> Apple Watch cannot detect all falls. The more physically active you are, the more likely you are to trigger fall detection due to high impact activity that can appear to be a fall. [0]

[0] https://support.apple.com/en-us/HT208944


It does detect if you aren't moving after a fall event, which can be a reasonable proxy for unconsciousness.




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