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Why Do We Need Sleep? - Excessive Sleepiness

sleepfoundation.org/excessivesleepiness/content/why-do-we-need-sleep

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 ...

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.

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

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

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.

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

www.themarysue.com/understanding-sleep/

Oct 19, 2013 ... Scientists Finally Understand Why We Need Sleep, And It's Because Of ... for our body's mental street-cleaners to come out and do their work. ... or the Affordable Care Act, Confirms Your Suspicions That People Are the Worst ...

Sleep - Why Do We Sleep?

www.howsleepworks.com/why.html

We know that we need sleep, but exactly why is much harder to pin down ... Although we do not have a definitive answer to the question “why do we sleep?

Why do we Sleep? Scientists are Still Trying to Find Out – National ...

voices.nationalgeographic.com/2009/08/26/why_we_sleep_is_a_mystery/

Aug 26, 2009 ... We spend a third of our lives asleep, but sleep researchers still don't know ... reduced during sleep, but also because there are people to protect us. ... these muscles and brain tissue matter do need repleneshment and rest.

Why Do We Sleep? | IFLScience

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

It's safe to say that sleep is as necessary as food and water, but why do we all ... reason we need to sleep that is really, really solid is because we get sleepy.”.

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 ... Scientists have just reported the first major mechanical reason our brains need to sleep ... that support every thing we do — all of our movements, our thoughts, ...

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  ...