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
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
About 12% of individuals have black and white dreams. However, before color television, the number was 75%.
3. Body Clock
3. Body Clock
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
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
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.