Sleep helps the brain to cleanse itself—and now this process can be measured in humans entirely noninvasively. Researchers at the University of Oulu have developed a method that allows the increased ...

Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

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 ...

Still, sometimes sleep suffers. I’m well-aware of what the research says that can entail—health risks and effects on productivity and memory. The idea is that sleep is when the brain has a chance to ...

We spend nearly a third of our lives asleep, yet sleep is anything but wasted time. Far from being passive downtime, it is an active and essential process that helps restore the body and protect the ...

The pillow is cold against your cheek. Your upstairs neighbor creaks across the ceiling. You close your eyes; shadows and light dance across your vision. A cat sniffs at a piece of cheese. Dots fall ...