The Human Body And Body Needs Sleep

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Meagan Hasselbeck English 10 Mrs. Wintrow 10 April 2015 How The Human Body Reacts To Sleep. Everyone knows the human body needs sleep. For some people, sleep is what they enjoy most, but why do human beings need sleep? Why is the urge to collapse into the warm safety of our beds so tempting? Why are we so grumpy when we don’t get enough sleep? Sleeping isn’t only relaxing but it is also helpful to your brain and body. “We have to sleep because it is essential to maintaining normal levels of cognitive skills such as speech, memory, innovative and flexible thinking. Sleep also plays a significant role in brain development.” (Science n. pag.) Sleeping not only refreshes the brain but also allows the brain to be more rational. Sleep allows the brain to chemically function more efficiently. The body needs sleep as much as the brain, “sleep provides an opportunity for the body to repair and rejuvenate itself” (Sleep Anyway n. pag.) “Another explanation for why we sleep is based on the long-held belief that sleep in some way serves to “restore” what is lost in the body while we are wake.” (Sleep Anyway n. pag.) Since we burn calories while moving, we replenish those calories by in taking more calories. You can think of the body and sleep the same way. Since we burn energy from being awake and moving around, we can replenish that energy by sleeping. Everyone knows a lack of sleep can affect them in many ways, from being grumpy to falling asleep throughout the day. “A lack of

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