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All people do it – from the day they are born to the day they die – and it is one of the things that they do not think that much about. People will have spent about 1/3 of their time on this planet asleep by the end of their lives. According to inventor Thomas Edison, that is a big waste of time. All animals need sleep to function well. Whether we are talking about a giraffe that just requires a little less than 2 hours per day or humans that think they require 8 hours to be at the top of their game, sleep is in fact a weird thing. Here are 5 crazy facts about sleep you never knew.
5. Blind People
5. Blind People
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Individuals born blind do not see visual images when they dream; however, they do have an increased auditory, tactile and olfactory experience.
4. Black And White Dreams
4. Black And White Dreams
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About 12% of individuals have black and white dreams. However, before color television, the number was 75%.
3. Body Clock
3. Body Clock
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The British military determined a way to reset body clocks of soldiers so they can go for 36 hours without sleep by simulating a sunrise on soldiers’ retinas.
2. Appetite
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Individuals who do not get sufficient sleep are more likely to have larger appetites due to the fact that their levels of leptin (an appetite-regulating hormone) drop, promoting increase of appetite.
1. Dreams
1. Dreams
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Some theorists say that the reason dreams are so strange and complicated is because they allow people to solve problems and think critically while awake.