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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 we sleep? - BBC News

www.bbc.com/news/science-environment-32606341

May 15, 2015 ... New research is giving scientists an insight into why we sleep and what happens ... Several studies show that the light bulb has led people shifting their day and getting less sleep. ... 'Arrogance' of ignoring need for sleep.

Why Do We Sleep? | IFLScience

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

Sleep is one of our most basic human needs. ... “as far as I know, the only reason we need to sleep that is really, really solid is because we get sleepy.” As lying ...

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

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

For infants, the requirement is much higher (about 16 hours a day), and teenagers need on average about 9 hours of sleep. As people age, they tend to sleep ...

Why We Need to Sleep - Sleepdex

www.sleepdex.org/sleep.htm

Humans must sleep. People can survive longer without food than without sleep.

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 ...

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. ... One of the ways we have of understanding why we need to sleep so much is to look at what  ...

www.ask.com/youtube?q=Why Do Humans Need Sleep?&v=3mufsteNrTI
Sep 28, 2015 ... and how did it evolve in the first place? Tweet ⇒ http://bit.ly/OKTBSsleep Share on FB ⇒ http://bit.ly/OKTBSsleepFB ↓ More info and sources ...

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 ... is the universal question,” said Bryce Mander, a neurologist at UC Berkeley's Sleep and Neuroimaging Lab. “There've been a lot of people who ...

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Why Do We Need Sleep? - Excessive Sleepiness

sleepfoundation.org

Researchers have also shown that after people sleep, they tend to retain information and perform better on memory tasks. Our bodies all require long periods of ...

Sleep - Why Do We Sleep?

www.howsleepworks.com

Although we do not have a definitive answer to the question “why do we sleep? ... In the same way as a feeling of hunger reminds us of the basic human need to ...

Why Do I Need to Sleep? - KidsHealth

kidshealth.org

This article about sleep will teach you why your brain needs to spend time in bed ... But many older people only need about 7 or 8 hours of sleep each night.