During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories.

This is the time, for many of us, that our last dream dissolves, we open our eyes, and we rejoin our real life. Or do we? Perhaps the most remarkable thing about REM sleep is that it proves the ...

When you’re in a period of REM sleep, your eyes will rapidly move from side to ... noise by closing any windows that may ...

Sometimes, during light sleep or REM sleep in dogs, the nictitating membrane can be visible, further contributing to the ...

Rapid-eye-movement (REM) sleep is associated with more sympathetic activation than is NONREM sleep 1,2. So far, there are no data regarding vascular tone during REM and NONREM sleep in humans.

The goal was to learn what happens in the brain during non-REM (non-rapid eye movement) sleep, a stage known for ... hopes the findings will open new doors. “We are proposing that the brain ...

Waking up after eight hours of sleep should feel refreshing. Yet, many people open their eyes feeling just as exhausted as ...

Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the deterioration of parts of the brain associated with Alzheimer’s ...