From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

The best sleep headbands provide everything from guided meditations to advanced sleep tracking. Here are our favorites from Muse, Frenz and more.

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 ...

After years of dealing with smartwatches that tell me to sleep less because of inaccurate tracking, I found one that gets things right.

After I stopped tracking my sleep so thoroughly, I noticed a big difference in my sleep quality and quantity. Call it ‘ignorance is bliss’ but by not fixating on my sleep score, I got back into a good ...

Sleep trackers use your resting heart rate, heart rate variability and breathing data to estimate how long you sleep and how much time you spend in each stage.

My sleep tracker pinned the cause of my insomnia — an expert explains why this one activity made it harder to fall asleep ...

A research team led by Prof. Tianyu Wang and Jialin Meng from the School of Integrated Circuits and State Key Laboratory of Crystal Materials at Shandong University has developed the world’s first ...

If you’ve ever had to endure a sleep study, you know it’s hardly the easiest way to catch some z’s. Now, researchers may have developed the solution: comfortable, washable “smart pajamas” that can ...

Garmin has launched the Index Sleep Monitor, which is a lightweight sleep-tracking armband that offers a seven-night battery life. The major highlights of the device include detailed sleep monitoring, ...

While 53% of respondents rank sleep as the most important contributor to long-term health compared to diet and exercise, many are not taking meaningful steps to improve their sleep quality, according ...

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 ...