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 ...

Research by the British Sleep Society has found 37 percent of UK adults have experienced insomnia, which can manifest as difficulty falling or staying asleep, while Mental Health UK reports that one ...

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.

You wake up in the morning feeling surprisingly rested, ready to tackle the day ahead. Then you check your wearable device, ...

Losing as little as 1% of deep sleep each year has been linked to a 27% increase in dementia risk, results of a retrospective cohort study show. Researchers suggest that prioritizing deep sleep — also ...

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, ...

Share on Pinterest Sleep may be crucial in preserving cognitive health against neurodegenerative diseases such as Alzheimer’s. serggn/Getty Images Sleep plays an important role in our overall health, ...

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 ...

WASHINGTON — Need another reason to prioritize your sleep? Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement sleep — may hasten the deterioration of parts of ...

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, ...

Getting good sleep is an important part of wellness for many reasons, but new research suggests deep sleep may even guard against memory loss linked to Alzheimer's. While disrupted sleep has been ...