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." ...

Adults with combined-type ADHD show distinct patterns of sleep-like slow-wave brain activity while fully awake, and those patterns track with attention failures and cognitive dysfunction. The finding ...

If you've been looking for a sign to work on your sleep hygiene, this is it. A new study suggests that a particular wave of sleep, called slow-wave sleep, plays an integral role in staving off ...