A high-tech sleep intervention.

Over the past decade, we've seen a boom in gadgets that claim to track all sorts of health metrics, from heart rate to calories burned. Many of these wearables can also be used to measure the quantity ...

I knew to expect reliable sleep tracking, but what I didn't anticipate was how the Oura Ring could teach me to be a better ...

Earlier this year, Andrej Karpathy wrote an in-depth analysis of four sleep tracking methods that Federico recently recommended I read. I’m glad he did, Karpathy, an AI researcher who has worked at ...

Some Fitbits are water-resistant, which allows you to wear them in the shower or out in the rain, for example. For swimmers, ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested. I’m PCMag’s senior writer ...

Based on our real-world testing, we rate the top options to help you smash your goals The wearable landscape has changed dramatically since the first fitness trackers arrived over a decade ago. For ...

We tested Garmin’s GPS-enabled fitness trackers and found the perfect picks for casual hikers, backcountry skiers, and more.