Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

For a while now, I’ve worn two devices when I go to sleep—an Apple Watch Series 7 on my left wrist, and a WHOOP 5 MG on my right wrist. Every morning, I get three different scores purporting to tell ...

Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

A good night’s sleep is essential for overall health and well-being, but understanding how well we sleep often requires more than just waking up feeling refreshed. That’s where the best sleep tracker ...

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 ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. I’m captivated by my new personal health ...

If you’re searching for the best sleep trackers, you’re doing yourself a favor. Quality sleep is necessary for feeling like a functional human, but it seems increasingly elusive these days. And ...

When it was first released in 2015, the Apple Watch quickly earned the mantle of the best-selling device in the category, and millions of users have it on their wrists today. Its seamless pairing with ...

When wearables first started getting popular, most sleep clinicians were quite skeptical. Back in 2009, Fitbit revolutionized the personal health space through its device that tracked daily steps and ...

Using a wearable might seem like a foolproof way to learn about your body. But when it comes to sleep, clinicians have actually identified a new phenomenon caused by these devices: orthosomnia.