How does the brain clean itself during sleep? A new ultrafast MRI method tracks cerebrospinal fluid flow without contrast agents, revealing how vasomotor waves drive the brain's "nightly wash." ...

Sleep helps the brain to cleanse itself—and now this process can be measured in humans entirely noninvasively. Researchers at ...

New neuroimaging research shows that when sleep-deprived people lose focus, the brain briefly shifts toward sleep-like physiology, offering fresh insight into why cognitive performance declines ...

If you find it hard to focus after a wakeful night, it’s because your brain is busy trying to catch up on crucial housekeeping. Nearly everyone has experienced it—after a night of poor sleep, your ...

It can also locate your pet while you’re away from home. It can also locate your pet while you’re away from home. is a news writer who covers the streaming wars, consumer tech, crypto, social media, ...

As we enjoy ourselves through the festive season, many will already be planning a detox in the new year: cutting back on screentime, perhaps, or abstaining from alcohol. Recently, I wondered whether ...

Emerging evidence suggests that disturbances in cerebral venous outflow may play a meaningful role in the development and progression of cognitive impairment. The brain’s glymphatic system, which ...

The typical signs and symptoms of idiopathic NPH are shown. In a retrospective study involving 418 patients with shunt-responsive idiopathic NPH, 96% of the patients had gait difficulty, 76% had ...

Why do you sometimes zone out, losing your concentration and focus in the middle of a working day? Especially if you’re sleep deprived, as so many people often are? Your brain is working to protect ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT study reveals how sleep deprivation causes your brain to flush itself clean while you’re awake, disrupting focus and ...