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Sleep

en.wikipedia.org/wiki/Sleep

Insects do not seem to exhibit REM sleep. ... brain stem, as it does in humans, but does not extend at all to ...

Why Do We Sleep, Anyway? | Healthy Sleep

healthysleep.med.harvard.edu/healthy/matters/benefits-of-sleep/why-do-we-sleep

Dec 18, 2007 ... Still, the question remains: Why do we need sleep at all? ... for example, what happens when humans or other animals are deprived of sleep.

Scientists Understand Why We Need Sleep: Our Dirty Minds | The ...

www.themarysue.com/understanding-sleep/

Oct 19, 2013 ... Humans need sleep; everybody knows that without it, we get cranky, a bit ... for our body's mental street-cleaners to come out and do their work.

Why Do Humans and Many Other Animals Sleep? - Neuroscience ...

www.ncbi.nlm.nih.gov/books/NBK11108/

To feel rested and refreshed upon awaking, most adults require 7–8 hours of sleep, although this number varies among individuals (Figure 28.1A). As a result, a ...

Why We Need to Sleep - Sleepdex

www.sleepdex.org/sleep.htm

However, they do know that humans must sleep and, in fact, people can survive longer without food than without sleep. Sleep serves many functions – or more ...

Why do we need so much sleep? - Technology & science - Science ...

www.nbcnews.com/id/3076707/ns/technology_and_science-science/t/why-do-we-need-so-much-sleep/

What we do know is that sleep is an anabolic, or building, process. ... Human beings can function without a full tune-up, but they will be in a state of relative sleep ...

Why Do We Sleep? | IFLScience

www.iflscience.com/health-and-medicine/why-do-we-sleep

Oct 9, 2015 ... Sleep is one of our most basic human needs. We spend about a third of our lives doing it and there are serious health consequences to sleep ...

Why Do I Need to Sleep? - KidsHealth

kidshealth.org/en/kids/sleep.html

Sleep is vital for giving your body a rest and allowing it to prepare for the next day . This article about sleep will teach you why your brain needs to spend time in ...

The First Real Reason We Need To Sleep - Business Insider

www.businessinsider.com/the-first-real-reason-we-need-to-sleep-2013-10

Oct 17, 2013 ... While you are sleeping your brain's cleaning system goes into overdrive, ... that support every thing we do — all of our movements, our thoughts, ... so we don't yet know how the amount or kind of sleep humans get affects the ...

Four Leading Theories on Why Humans Need to Sleep | Motherboard

motherboard.vice.com/read/four-leading-theories-on-why-humans-need-to-sleep

Jan 20, 2016 ... “'Why do we sleep?' is the universal question,” said Bryce Mander, a neurologist at UC Berkeley's Sleep and Neuroimaging Lab. “There've ...

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Why Do We Need Sleep? - Excessive Sleepiness

sleepfoundation.org

Why do our bodies need sleep? This simple explanation can help you understand.

Why do we sleep? - BBC News - BBC.com

www.bbc.com

May 15, 2015 ... Research suggests that parts of the human brain may well be asleep when it is sleep-deprived. Studies on whales and dolphins show that ...

Sleep - Why Do We Sleep?

www.howsleepworks.com

Although we do not have a definitive answer to the question “why do we sleep? ... Sleep appears to be an essential physiological process for humans and for ...