How sleep builds muscle, burns fat, and boosts brainpower
Many people know that a good night’s sleep helps the body grow and repair itself, but not everyone understands why.
Sleep, especially the early deep...
How deep sleep boosts muscle and bone health
Everyone knows that a good night’s sleep is important, but did you know it can help your body grow stronger and stay healthier too?
Scientists...
Chronic sleep loss may speed up brain aging, study finds
A new study published in the September 10, 2025, issue of Neurology® reveals that chronic insomnia may accelerate memory decline and cognitive aging.
The findings...
How ‘brain cleaning’ while we sleep may lower our risk of dementia
The brain has its own waste disposal system—known as the glymphatic system—that's thought to be more active when we sleep.
But disrupted sleep might hinder...
Could cutting back on caffeine really give you more vivid dreams
Have you recently cut down on caffeine and feel like you're having the most vivid dreams of your life?
While there are a number of...
Breathing device may help people with diabetes and sleep apnea live longer
A simple nighttime breathing device may dramatically improve survival for people living with both type 2 diabetes and obstructive sleep apnea, according to new...
This sleep hormone may also boost your memory
We all know how important memory is in everyday life—from remembering where we put our keys to learning new things at school or work.
Now,...
Walking 7000 steps a day can cut death risk by over 40%
A big new study from the University of Sydney shows that walking 7000 steps each day gives nearly the same health benefits as walking...
Sleep drugs may raise dementia risk, especially in older people
Many people have trouble falling or staying asleep. This is known as insomnia.
To help with sleep, some people use medications that can be bought...
Common sleeping pills may harm sleep quality in older adults, study finds
Many older adults struggle with insomnia, and for decades doctors have often prescribed benzodiazepines and related drugs to help them sleep.
These medications are cheap,...