Apple Health & cycle
Connect Vyla to Apple Health and see your Apple Watch temperature, heart rate, and sleep data in the context of your cycle phases — all in one private app.
Apple Watch Series 8 and above measure wrist skin temperature during sleep using the new temperature sensor. Vyla layers this data over your cycle timeline to reveal the post-ovulation temperature rise and other phase-based patterns.
See how your resting heart rate and heart rate variability from Apple Watch shift across your menstrual, follicular, ovulatory, and luteal phases — all displayed in your Vyla cycle view.
Apple Watch sleep stages and sleep duration data from Apple Health are mapped to your cycle phases in Vyla — helping you see whether your sleep quality follows a hormonal pattern across your cycle.
Vyla reads from Apple Health via HealthKit so your Apple Watch data sits alongside your manually logged symptoms, period dates, BBT, and LH tests in one continuous timeline.
Ask Vyla AI what your Apple Health temperature or heart rate data means in the context of your current cycle phase. Get plain-language answers without having to interpret raw health graphs.
Vyla requests only the Apple Health data types you explicitly approve. Your data never leaves your control — it is never sold to advertisers or third parties. Revoke access at any time in iPhone Settings → Privacy → Health.
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How Vyla uses Apple Watch and HealthKit data to give you richer, phase-aware cycle insights.
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