ATLANTA (AP) — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how ...

Millions of people use cannabis as a sleep aid. But new research suggests it may not actually improve sleep quality. In fact, ...

You glance once again at last night’s low sleep score and feel your body snap into higher alert. At this rate, how will you ever beat last week’s high sleep score? If you’re losing sleep over your ...

How to get your sleep schedule back on track - and it's easier than you think - Research has indicated that not getting ...

Sleep regularity may be a critical factor for heart health, researchers said. Having highly inconsistent bedtimes or varying sleep duration from night to night was linked to a higher risk of heart ...

Oura faces a proposed class action challenging its sleep-tracking accuracy claims, raising broader questions about how wearables present estimated health data. ‘Sleep happens in the brain, not on ...

As a tech reporter, I’ve spent years being sleep-shamed by every smart watch, smart ring and fitness tracker on the market for the sake of research. Once the review period is over, I’m happy to leave ...

Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how well they’re sleeping, but these trackers don’t necessarily measure sleep directly.