Deep sleep, like all sleep stages, helps you feel refreshed when you wake up. The proportion of time you need to spend in ...

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 ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

A deep slumber might help buffer against memory loss for older adults facing a heightened burden of Alzheimer’s disease, new research from the University of California, Berkeley, suggests. Deep sleep, ...

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults -- but only if they time it right. NY Post Composite Blue light ...

Less slow-wave sleep over time raised the risk of incident dementia, prospective data showed. Each percentage decrease in slow-wave sleep per year in people 60 and older was tied to a 27% increase in ...

The most frequently reported reasons for medicinal cannabis use are for pain relief and improvements in sleep. Although ...

New research suggests adopting four habits can make your brain appear up to eight years younger. Optimism, deep sleep, stress ...

When nights stay warm, the body struggles to cool down, a key signal for drifting into deep sleep. Heat doesn't just shorten ...

Don’t sleep on an early bedtime. The average American goes to bed at 11.39 p.m., but one expert says we should be preparing for shut eye hours earlier than that. Nutritionist Kate Booker says the best ...