But how do sleep cycles work? To find out, I took part in a polysomnography. This is a gold standard sleep study that helps ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. I’m captivated by my new personal health ...

The RingConn Gen 2 Air takes the smart ring and makes it simpler, keeping costs low at the same time. Is it worth wearing? We ...

Purchase of the Galaxy Ring includes a free sizing kit, which is sent out before the product itself. The sizes, indicated by ...

I’m captivated by my new personal health tracker, a Christmas gift from my husband. It’s fascinating to know my heart rate, respiration, activity, readiness and stress levels at any moment. Yet it’s ...

I wasn’t sleeping well, so I took Thorne’s Sleep Test to uncover the cause. Here's what I learned about my out-of-whack hormones.

A healthy balance of 1-2 hours of monitored, educational content is acceptable, but incorporating screen-free activities can ...

If allergies are keeping you down, physical activity may be just what you need to boost your wellness. One especially fun and ...

The average weight for women in the U.S. is 170.8 pounds, and the average height is 5 feet, 3 inches tall. These are mathematical calculations, so they don’t necessarily represent what’s typical or ...

Fit-wise, there are just three sizes available (8, 10, and 12), which is far more limited than other smart rings that offer a ...

Is the Oura Ring worth it? Three editors who reviewed the viral fitness tracker for over a year weigh in, plus ...