Two sleep doctors explain what deep sleep is, how much we need and the real number you should be looking for on your Apple Watch sleep tracker.

It's no secret that a good night's sleep is key to a healthy brain. However, the full extent of the importance of rest on our cognitive function is still being explored. And now, new research has ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Many adults spend enough time in bed but still wake up unrefreshed. Today, Muse announced a new sleep featured powered by Muse S Athena. Deep Sleep Boost is designed to strengthen and stabilize deep ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Think your brain’s taking a vacation when you’re sleeping? Think again. Scientists at Charité – Universitätsmedizin Berlin just dropped some major knowledge bombs about what’s really going down during ...

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.

Babies with an increased likelihood of autism may struggle to settle into deep, restorative sleep, according to a new study from the University of East Anglia. Researchers studied the link between ...

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