These photos capture the subtle art of deep sleep marks-imprints left on skin after napping on objects. The collection ...

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 ...

There’s nothing more annoying than not being able to sleep. Anyone who has experienced even a short period of disturbed sleep will know how frustrating it can be to just lie there willing yourself to ...

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.

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 ...