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

There’s so much advice out there about how to fall asleep, how to stay asleep, how many hours of sleep you need, what to eat before bed for better sleep—you could spend months, if not years, trying ...

We tested 8 popular devices to find the best sleep trackers that can help you wake up refreshed and energetic instead of groggy and tired. Two emerged as the best.

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 ...

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure ...

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

Fitness trackers, despite the name, are for everyone — not just runners and gym rats. That's because fitness trackers can help you keep an eye on your overall well-being and health through features ...

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 ...

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 ...

We aim to sort through the overwhelming amount of sleep-related information available online to find what works -- and help you avoid the things that don't. Everyone has varying health needs and sleep ...

CNET's sleep team tests and reviews much more than just mattresses. We aim to sort through the overwhelming amount of sleep-related information available online to find what works -- and help you ...