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

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

Deep sleep is the phase of sleep responsible for cell repair, clearing toxins, and processing info. You can get more deep sleep by taking a hot bath before bed and avoiding caffeine and alcohol.

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.

Deep sleep, also known as non-REM slow-wave sleep, can act as a 'cognitive reserve factor' that may increase resilience against a protein in the brain called beta-amyloid that is linked to memory loss ...

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 ...