Once those hormones are released, they increase activity in the brainstem region that affects attention, arousal, and ...

Sleep disturbances caused by stress, aging, or chronic diseases directly lead to the accumulation of toxic waste in brain ...

Why are conditions such as chronic stress, depression, cardiovascular disease, fragmented sleep, and aging all associated ...

But beyond the grogginess, research is now showing that consistently missing out on certain sleep stages, particularly deep ...

A new study links stress, depression, and aging to dementia via the disruption of glymphatic brain cleaning cycles during sleep.

Scientists have uncovered a previously unknown brain feedback system that links deep sleep, growth hormone release, and ...

Poorer subjective sleep quality was linked to worse visual memory and greater limbic tau burden in older women with higher ...

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

Have you had nights when your body is tired but your mind acts like it just had a fresh cup of coffee? You turn off the light ...

A new study suggests that a certain number of hours of sleep each night — between 6.4 and 7.8 hours to be exact — is ...

Share on Pinterest New research suggests the glymphatic system flushes toxins from the brain while you sleep, which could lower your dementia risk. Nisian Hughes/Getty Images New research shows sleep ...

Many women associate hormone changes with one obvious symptom: hot flashes. But for women in their late 30s, 40s, and early ...