A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for studying sleep disorders. Reading time 2 minutes Though sleep is a time to power ...

Researchershave found that brain cell activity during sleep is responsible for propelling fluid into, through and out of the brain, cleaning it of debris. There lies a paradox in sleep. Its apparent ...

Learn facts about sleep, during which the body rests, recuperates and performs essential repairs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

REM sleep behavior disorder, or RBD, is a condition that causes abnormal movements or brief repeated twitching during sleep, and occasional episodes of dream enactment. RBD affects more than one ...

Stress. Anxiety. Noisy neighbors. Blanket-hogging partners. With the list of things that can disturb a person’s sleep being more of a scroll, it’s no wonder an estimated 50 to 70 million Americans are ...

A new study shows that even a moderate dose of caffeine alters brain activity during sleep, increasing complexity and nudging neural systems toward a high-efficiency processing state, especially in ...

Sleep paralysis can be scary and overwhelming. But you can help wake yourself up from an episode by moving your fingers and toes or forcing a sudden and intense movement. Sleep paralysis is a ...

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream? When you purchase through links on our site, we may earn an affiliate commission.

Sleep is crucial to mental and physical health - and yet many people struggle with it. Now, experts claim that your daily ...