Web Results

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.

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

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 ...

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

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 ...

www.tuck.com/why-sleep

May 24, 2017 ... Scientists have yet to determine exactly why people sleep. However, they do know that humans must sleep and, in fact, people can survive ...

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.

www.howsleepworks.com/why.html

We know that we need sleep, but exactly why is much harder to pin down ... In the same way as a feeling of hunger reminds us of the basic human need to eat, ...

www.livescience.com/32469-why-do-we-sleep.html

Jul 18, 2017 ... The human need for sleep is a mystery. Credit: Stock.Xchng. Humans spend nearly a third of their lives asleep. Going without sleep will literally ...

motherboard.vice.com/en_us/article/4xavqw/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 sleep, but most of those theories are actually really incomplete ...

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 ...