"I have plenty of time to sleep when I'm dead" was an explanation a friend of mine gave me when I told him he should sleep more often. Most teenagers don't know how important sleep is to them and their lives. Getting a good sleep every night is necessary to live a successful and fulfilled life.
There are many theories on why we, as humans, actually sleep. One of these is that sleep evolved to conserve energy for organisms. As this theory states, sleep evolve millions of years ago in service of warm-bloodedness. Being warm-blooded requires the maintenance of a constant, high body temperature. This is just one hypothesis on why we sleep. Another would be that while we are sleeping, we are not moving. Due to not moving during this sleep, it reduces exposure to predators and other sources of danger. (Psychology Themes and Variations, pg. 137)
Many people don't think about how they sleep, they only know the do sleep. In all actuality, there are four stages in which we......

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Title: Dreaming
Approximate Word Count: 801
Approximate Pages: 4 (250 words per double-spaced page)

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