Why your smartwatch thinks you slept badly even when you feel fine ...

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure sleep directly but instead infer states of slumber from signals like heart ...

Like many Americans, I know I need more sleep. I'm a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I'm not getting enough rest.

To see your sleep data, open the Health app on your iPhone and tap Browse, then Sleep. At the top of the screen, you will see ...

Please provide your email address to receive an email when new articles are posted on . Electrocardiography data can be put into a neural network to score/determine sleep stages. With ...

A new image within the iOS 26 beta has surfaced, suggesting that Apple may be gearing up to release its own "sleep score" rating for the Apple Watch. The graphic shows an Apple Watch with an "84" on ...

Orthosomnia is a relatively new condition you've probably never heard of. Here's why fixating on your sleep data can be bad and what to do about it. Taylor Leamey wrote about all things wellness for ...

The CDC has called insufficient sleep a public health epidemic — poor sleep habits can increase your risk for obesity while healthy sleep habits are considered key to brain and heart health, according ...