Caffeine doesn't just make it harder to fall asleep; it changes how the brain behaves during rest. New research shows that caffeine alters brain activity in ways that make sleep look more like ...

Late-night scrolling isn’t the only thing sabotaging your slumber. New research suggests that a common daily habit may send your brain into overdrive while you sleep — even if you do it hours before ...

The brain has its own waste disposal system—known as the glymphatic system—that's thought to be more active when we sleep. Subscribe to our newsletter for the latest sci-tech news updates. But ...

A groundbreaking study presented at the Alzheimer’s Association International Conference 2024 has uncovered a potential link between sleeping on your back and an increased risk of neurodegenerative ...

People with breathing problems during sleep may have a larger hippocampus, the area of the brain responsible for memory and thinking, according to a new study. The study, which included mostly Latino ...

Have you ever wondered what actually happens in the brain during sleep? While your body appears still and at rest, your brain remains highly active, carrying out essential processes that keep you ...

It’s been known for millennia that the human body accumulates waste as a result of day-to-day functioning, but it’s now recognized that the awake, active brain also builds up waste that negatively ...

A new neuroimaging study suggests that people who frequently control their dreams share distinct structural brain patterns. These networks bridge the areas responsible for self-reflection, visual ...

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 ...

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 ...

Julia Chapman has received funding from the Amercian Academy of Sleep Medicine Foundation, NHMRC Centre of Research Excellence, CogSleep, Woolcock Institute's Centre for Chronic Diseases of Ageing.