I love my Oura ring. Ask any of my friends and they’ll tell you that it’s become one of my main personality traits over the past year and a half, that if I had a cartoon character, she would have a ...

Oura Ring 4 continuously tracks your sleep, activity, and health with the same form factor as a regular ring. The ring is comfortable, wearable during activities in and out of water, durable, and ...

The $350 Oura Ring 4 looks sleek and cool, and it may be useful for data-hungry health enthusiasts. But it failed this sleep-deprived parent. By Brian X. Chen Brian X. Chen is The Times’s lead ...