Apple Watch S8

Andropov

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Just saw that Apple released a new support document detailing how the temperature sensor works in the Health app: https://support.apple.com/en-us/HT213275

Interestingly, the document says:
Your wrist temperature is a measurement related to your body's temperature taken by your Apple Watch while you're asleep. Your body temperature naturally fluctuates and can vary each night due to your diet and exercise, alcohol consumption, sleep environment, or physiological factors such as menstrual cycles and illness. After about 5 nights, your Apple Watch will determine your baseline wrist temperature and look for nightly changes to it.
Which points to other uses beyond cycle tracking.

The graph on the Health app doesn't show an absolute temperature temperature measurement. It rather computes a 'baseline' and measures deviations from the baseline. Smart. However, it only measures the wrist temperature while you sleep. That one is kind of a bummer, but it makes sense (the under-display temperature sensor is probably unreliable under the sun, or while the Watch is being used).
 

diamond.g

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Just saw that Apple released a new support document detailing how the temperature sensor works in the Health app: https://support.apple.com/en-us/HT213275

Interestingly, the document says:

Which points to other uses beyond cycle tracking.

The graph on the Health app doesn't show an absolute temperature temperature measurement. It rather computes a 'baseline' and measures deviations from the baseline. Smart. However, it only measures the wrist temperature while you sleep. That one is kind of a bummer, but it makes sense (the under-display temperature sensor is probably unreliable under the sun, or while the Watch is being used).
Yeah it tracks temp the same way Oura ring does. I saw 1 reviewer mention it was as accurate as their Oura, so that is good.
 

fischersd

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Hopefully the fast charger gets the watch charged in the time it takes someone to get ready in the morning, or when are people supposed to charge their watches, then?

Me, I was hoping this could be useful for alerting people when they have a fever - because - you know - pandemic? One more means to be able to help alert people when they're sick....but, nope, it's not there yet.

I'm sure Apple will continue to refine this in future revisions...and also tweaks in WatchOS.
 
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