Although sleep is essential for healthy functioning, insomnia disorder is prevalent, affecting about 5% to 10% of the adult population. The primary issue is a subjective complaint of reduced quantity ...

Findings from Mass General Brigham investigators highlight the intricate interplay of diverse physiological processes as the brain shifts from wakefulness to sleep. A new study by investigators from ...

"Complex processes are going on in the brain when we sleep," says Dr Karolina Armonaitė, a neuroscientist from Kaunas University of Technology, Lithuania. According to her, a more precise ...

How does your brain wake up from sleep? A study of more than 1,000 arousals from slumber has revealed precisely how the brain bestirs itself during the transition to alertness — a finding that might ...

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 ...

A new study highlights how important uninterrupted sleep is to recovery after a traumatic brain injury, finding that ...

What is the tipping point? Scientists explain what happens between wakefulness and sleep. Plus, how they use it to predict ...