Signals
What your Apple Watch records in perimenopause
If you’re 40 or over, Apple’s Health app can flag when the cycle dates you log look suggestive of perimenopause. Your Watch has been recording all along. Here is what each reading can and can’t say.
Heart rate variability
Compare intermittent samples with your own baseline.
Learn more →Resting heart rate
Periodic samples, compared with your own baseline.
Learn more →Sleep
A dated estimate of sleep and wake time.
Learn more → Series 8+, SE 3 & Ultra
Wrist temperature
A baseline-relative trend, not a symptom detector.
Learn more →Sleeping respiratory rate
A supporting signal that can strengthen the overnight picture.
Learn more →