Researchers have identified the brain circuitry that links deep sleep with the release of growth hormone, revealing how the two regulate each other. The newly discovered feedback loop helps explain ...

Your brain’s natural rinse cycle flows while you sleep. A new study suggests certain medications interfere with that important nightly ritual. Researchers record brainwaves along with muscle and eye ...

Have you ever wondered what happens in your brain while you sleep? Your brain is anything but inactive. Instead, it ...

When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists discovered that these attention lapses coincide with waves of fluid washing ...

Each morning, your brain embarks on a remarkable series of events: it transitions from being asleep, potentially in an alternate reality, to waking up. Within a short time, you regain waking ...

Why are conditions such as chronic stress, depression, cardiovascular disease, fragmented sleep, and aging all associated with a higher risk of dementia? In a new review piece in Science, University ...

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 this waste disposal system and slow the ...