Most people can feel the effects of a bad night of sleep pretty quickly. Maybe words don’t come as easily, or everyday tasks ...

Lack of sleep doesn't just cause fatigue; it selectively alters certain circuits of our social memory. Yet a beverage we know ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have made a breakthrough in our understanding of how ...

Deep sleep, also known as non-REM slow-wave sleep, can act as a 'cognitive reserve factor' that may increase resilience against a protein in the brain called beta-amyloid that is linked to memory loss ...

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 ...

Sleep complaints may be an important Alzheimer's disease risk factor in older women with a higher genetic predisposition to ...

While we’re asleep at night, our brain is doing something incredible. The hippocampus and the neocortex, two of its key regions, talk back and forth, processing information for long-term ...

"It’s been about a week now and my debilitating neck pain and migraines have finally gone away," one user said.

The truth is that we love learning weird things. It becomes even more fascinating when those weird things involve human ...

And what you do today—tonight, even—can lay the foundation for better brain health as you age, especially if you turn a ...