New research on brainwaves in the thalamus shows patterns distinctly linked to conscious states.

As we sleep, our brain moves through four stages and two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). The brain has four stages within the NREM phase. Each stage and phase of ...

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 ...

In a recent study published in the journal Translational Psychiatry, researchers investigated the impacts of full-night-, early-night deprivation-, and late-night deprivation sleep on whole-brain ...

Nearly one-third of our life is spent asleep. It is a highly active and organized process that is essential for both physical ...

Add Yahoo as a preferred source to see more of our stories on Google. You know as well as we do that the amount and type of sleep you get every night can significantly affect your mood, energy level ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you're awake. Getting enough REM sleep is crucial, as it helps you store information and ...