The $349 Ultrahuman Ring Air tracks the widest variety of health metrics of any smart ring we’ve tested. The sleek and ...

However, on the night she had two drinks, many of her results—such as resting heart rate, HRV, body temperature, recovery, ...

workout recording and sleep tracking features. The Galaxy Ring and Oura Ring both use skin temperature readings to help track and predict periods, but there's no menstrual tracking with the ...

I’ve reached my highest “sleep score”. My “readiness score” is looking impressive, too. And it’s all because of the new, high-tech, health-tracking Oura ring on my finger. My friend ...

We're barely into 2025 and the best Oura Ring alternative competition is already heating up. Beyond Samsung, Noise will need ...

and time spent in each sleep phase. We found that the Oura Ring 4 is the best sleep tracker on the market for its comfortable, lightweight fit, impressive battery life, and discreet build ...

Samsung could announce its second-generation smart ring next week. Here's what I'd like to see in the Galaxy Ring 2 - and ...

The rings' other main differences are small, but worth noting if you're a true fitness fanatic. For instance, the Samsung ...