When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

A new study by scientists at the Massachusetts Institute of Technology (MIT) sheds light on how lack of sleep affects the ...

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

The timing of your sleep patterns could be linked to increased dementia risk, according to a new study. Each person's circadian rhythm, often defined as the body's internal 24-hour clock, keeps the ...

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 ...

L-theanine is a popular supplement that can promote sleep and relaxation. Experts reveal the benefits and risks of taking it ...

Sleep looks peaceful on the outside, but inside the brain, it is anything but ...