Deep sleep plays an important role in learning and memory storage, "by facilitating a process called 'memory consolidation,' ...

(Some scientists consider the two to be a single deep-sleep stage.) It’s in deep sleep that our cells produce most growth hormone, which is needed throughout life to service bones and muscles.

Sleep deprivation alters cells that release proteins known to trigger chronic inflammation and weaken the immune system.

Alzheimer’s disease (AD) is often recognized by its well-known symptoms—memory loss, confusion, and cognitive decline. But ...

Good sleep is essential for overall health, improving immunity, mental well-being, heart health, metabolism, and skin ...

The findings, published in the Proceedings of the National Academy of Sciences, suggest that tiny energy-sensing channels in ...