As a certified personal trainer, I tested 14 wearables over eight months while training, running and swimming. Here are the ...

Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of ...

Millions of adults miss out on the recommended 7 to 8 hours of shut-eye every night. And over time, that sleep debt can mess with everything from your mood to your immune system. But the good news?

How does a sleep tracker on your finger compare to one in a bed? I tested Sleep Number and Oura for a month to find out. Plus, expert sleep-tracking tips. Aly Lopez Former Writer I Aly Lopez was a ...

Could Luna beat Oura at the smart ring game?

Sleep trackers promise to turn the mystery of the night into clean numbers and colorful charts. Yet as the devices have ...

The Amazfit Helio smart ring is comfortable to wear, relatively durable and reasonably priced. More importantly, it provides accurate heart rate measurements and offers plenty of clear, actionable ...

Over one-third of Americans use some sort of device to track their sleep, according to the American Academy of Sleep Medicine. CREDIT: whitebalaance.space via Getty Images. Get the Popular Science ...

While a lucky few can get through the day without feeling tired, everyone else is out here chugging coffee, yawning, and sneaking away for a quick power nap. It’s why sleep hacks are so popular on ...

Sleep – the final frontier, or so it seems in digital health. While everybody needs sleep and plenty want to know more about how to do it the best they can, tools to improve sleep and, in turn, ...

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