Deep sleep could forestall the declines in brain health that can eventually lead to Alzheimer's disease, the most common form ...

Q: Do older adults need the same amount of sleep as younger adults? How does aging affect one's sleep? A: The need for sleep stays fairly constant over the course of a person's lifespan. Unlike ...

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 ...

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, ...

Sleep is one of the most important things all of us do on a daily basis, and getting enough is crucial; here's how you can ...

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 ...

Dear Doctors: I’m a 68-year-old man who cannot remember the last time I awoke in the morning feeling fully rested. My friends laugh and say those days are long gone for people our age. Is this true? I ...

Uncontrolled sleep apnea — a disorder in which people stop breathing for 10 seconds or more at a time multiple times a night — may harm future brain health, a new study found.Video above: Poor sleep ...