Fitbit’s finally getting smart by linking your actual medical records and fixing its lying sleep tracker.

Apple Watch users who wake up to inconsistent sleep data have a real problem: the device tracks sleep using optical ...

Whoop has begun rolling out an update to its sleep tracking that improves stage analysis and awake recognition. The brand detailed the new sleep algorithm in a blog post last week, though the ...

With sleep disruptions linked to depression, anxiety, and other disorders, there’s growing urgency to find smarter ways to monitor and fix our sleep. A new sleep algorithm, created by Professor Jae ...

Did you know that more than 80% of people worldwide have irregular sleep habits? These sleep issues don't just leave us feeling tired—they affect our health, focus, and quality of life. Now, a new ...

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 ...