What your watch is measuring

Signals

Your watch already measures what you’re feeling.

Heart rate variability

Is this stress, or something shifting?

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Resting heart rate

Why does my heart race over nothing?

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Sleep

What actually happened at 3 a.m.?

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Series 8 & later

Wrist temperature

Night sweats leave a trace. Here's how to see it.

Learn more →

Your watch already knows. Let it speak.

Download on theApp Store

Free to download · Perigee Plus with a 7-day free trial