Experts reveal which sleep disturbances may signal something deeper, and when you should be concerned. View Entire Post › ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Taking too long to enter the phase of sleep in which we dream may be an ...

A new study has found a link between rapid eye movement (REM) sleep and Alzheimer’s disease. The research from China, published in the journal Alzheimer’s & Dementia by the Alzheimer’s Association, ...

Share on Pinterest Scientists have discovered a link between REM sleep and risk for Alzheimer’s disease. Image credit: Vera Vita/Getty Images Alzheimer’s disease and Alzheimer’s disease-related ...

Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer’s disease. Now, a study suggests that people who take significantly ...

Share on Pinterest A new study shows that pink noise may lower the quality of sleep and disrupt the REM cycle. Image Credit: AleksandarGeorgiev/Getty Images A recent study suggests that pink noise, ...

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Need another reason to prioritize your sleep ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...