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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? ... Although it may be less apparent to people living in societies in which food sources ...

Why Do I Need to Sleep? - KidsHealth

kidshealth.org/en/kids/sleep.html

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.

Sleep - Why Do We Sleep?

www.howsleepworks.com/why.html

Sleep - What Sleep Is, How Sleep Works, Why Do We Sleep, How ... We know that we need sleep, but exactly why is much harder to pin down ...

Why We Need to Sleep - Sleepdex

www.sleepdex.org/sleep.htm

Scientists have yet to determine exactly why people sleep. However, they do know that humans must sleep and, in fact, people can survive longer without food  ...

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 ... The characters of HBO's 'Silicon Valley' are inspired by real people in. .... Scientists have just reported the first major mechanical reason our brains need to sleep ... activities that support every thing we do — all of our movements, ou...

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 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 happens if we don't get enough ... But most people require around eight hours.

www.ask.com/youtube?q=Why Do People Need Sleep?&v=3mufsteNrTI
Sep 28, 2015 ... Here's a look at how sleep works, why we're not getting enough sleep, what happens if you DON'T .... People have to train themselves to do it..

Why Do We Sleep? - NYTimes.com

www.nytimes.com/2003/11/11/science/why-do-we-sleep.html

Nov 11, 2003 ... Any second grader knows why humans need food and water. ... But even the most gifted scientist on the planet cannot explain why people sleep.

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 ... “There've been a lot of people who have developed theories about why we ... So if we're not sure why we sleep, what do we know about it?

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Why Do We Need Sleep? - Excessive Sleepiness

sleepfoundation.org

Why do our bodies need sleep? ... Researchers have also shown that after people sleep, they tend to retain ... How Much Sleep Do We Really Need? Continue ...

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

www.themarysue.com

Oct 19, 2013 ... Scientists Finally Understand Why We Need Sleep, And It's Because Of ... Sleep is pretty much necessary for our body's mental street-cleaners to come out and do their work. .... Video Games That Killed People In Real Life.

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

www.bbc.com

May 15, 2015 ... New research is giving scientists an insight into why we sleep and what happens when we do it. ... to short sleep are only seen in those few people sleeping around five hours, where ... 'Arrogance' of ignoring need for sleep.