SLEEP

Sleep is a sedentary state of mind and body. It is characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity and reduced interactions with surroundings. It is distinguished from wakefulness by a decreased ability to react to stimuli, but more reactive than a coma or disorders of consciousness, with sleep displaying different, active brain patterns. Sleep occurs in repeating periods, in which the body alternates between two distinct modes: REM sleep and non-REM sleep. Although REM stands for "rapid eye movement", this mode of sleep has many other aspects, including virtual paralysis of the body. Dreams are a succession of images, ideas, emotions, and sensations that usually occur involuntarily in the mind during certain stages of sleep.

Read more in the app

What Age Do People Sleep the Least?

Quantity over quoll-ity: Endangered northern quoll males value sex more than sleep, with deadly consequences

Moderate and intense physical activity favors good sleep

Do sleep medications increase your chances of dementia?

Study unravels interplay between sleep, chronic pain and spinal cord stimulation

Hypnotic suggestion may enhance slow-wave sleep and increase secretion of certain hormones, study finds

Spotify Sleep Playlists Include Some Surprisingly Upbeat Music

New Sleep Apnea Drug Shows Promising Results in Human Trials

New Research Finds That Transgender Youth Are 400% More Likely To Have Sleep Disorders

Erasing Your 'Sleep Debt' Is Trickier Than Just Hitting Snooze on The Weekends

COVID Is Doing Something to Our Sleep, And Even to Our Dreams

Better Sleep For Kids Starts With Better Sleep For Parents – Especially After Holiday Disruptions To Routines

Lack of Sleep Can Harm Children’s Brain and Cognitive Development

New Research: Bad Sleep, Snoring, and Sleepiness During the Day Could All Increase Your Risk of Permanent Sight Loss

Surprising Findings: Too Few Job Demands Can Harm Sleep Quality

The truth behind melatonin and why it may not help you sleep

Researchers here identified part of the cerebral mechanism that controls the quality and quantity of sleep, a groundbreaking achievement that is expected to lead to new treatments for sleep disorders

People sleep the least from early 30s to early 50s

Male flies produce a chemical that makes females sleep in after mating

Glass Frogs Turn Transparent When They Sleep… By Hiding Almost All Their Blood