When slipped onto a finger, the sensor-packed wearable tracks heart rate, activity level, sleep—even body temperature. Oura’s app uses that data to generate a “readiness” score—“a holistic picture of ...

Discover how smart rings 2026 track sleep, HRV, and fitness metrics. Compare Oura Ring 4, accuracy rates, battery life, and ...

The Oura smart ring is now compatible with Natural Cycles digital birth control, the companies announced today. The partnership lets Natural Cycles users pull in temperature information from their ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? If I had a nickel for every time someone commented on my Oura ring, I’d have, ...