Here’s what you’ll learn when you read this story: We have evolved a sleep cycle that goes from non-REM to REM sleep and back again, but until now, the biological function of this oscillation was ...

A new study suggests that sleep and wakefulness are two ends of a continuum. We can dream while awake and plan while asleep.

I’m going to give away one of my big writing secrets. When I’ve been stuck in a big narrative puzzle while writing a book, I’ve learned the trick is to clear my head and take a nap. I’ve never really ...

Summer is right around the corner — and if that alone isn’t enough to get you back in the gym, this just might. A new study ...

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 ...

Clinicians use electroencephalography (EEG) to assess brain activity in epilepsy and sleep pathologies, and this powerful tool has shown promise for other conditions. Emerging evidence suggests that ...

For decades, neuroscientists have been trying to uncover the neural processes that allow humans and various other animals to recall emotional experiences of past events. Past studies have identified a ...

In the past two decades, sleep-tracking technology has advanced immensely—with smart headbands now a leading force in the industry. The best sleep headbands go far beyond basic metrics, offering ...

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 ...