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Circadian

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Feb 1, 2012
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I have a strange fascination with the psychology of sleep. Yesterday, (call me a dork if you must) I found myself leafing through my sister's AP Psychology textbook in a chapter about sleep. There's something about it that's a mystery, one of the only parts of our psyche that has questions unanswered and ideas un-explored. So, I've decided to assemble a random assortment of interesting facts about sleep (yes, I'm one of those people that can spend hours just reading random facts).

1. The record for longest time without sleep is 18 days, 21 hours and 40 minutes. Sleeper reported hallucinations, slurred speech and paranoia.

2. Humans sleep, on average, three hours less than most other primates.

3. 12% of people dream in black and white.

4. Giraffes sleep for only 1.9 hours a day.

5. Within 5 minutes of being awake, half of your last dream is forgotten.

6. We can only dream of faces we've already seen.

7. 1 out of 50 teenagers still wet their bed.

8. People who don't dream generally have personality disorders.

9. 1 in 4 married couples sleep in separate beds.

10. Koala bears sleep for 22 hours a day.

Well, I found it interesting.

Comments

Dear Tyler: I liked reading

Submitted by evelyns on Thu, 2012-02-02 13:39.

Dear Tyler:

I liked reading your post, "Circadian," because I in face like reading random facts too. It fun because I learn so much from it. Its amusing how not a lot of people take their time to go and find random facts.

One sentence you wrote that stands out for me is "12% of people dream in black and white." I think is weird because I been learning about this. To find out that this is true its amazing because I only dream in black and white when I'm having a paralysis dream.

Another sentence that I really found interesting was "We can only dream of faces we've already seen." This stood out for me because its weird I thought we usually made them up or something but its weird that we dream of faces we've seen. I guess its just faces of our childhood and so on.

Thanks for your writing. I look forward to seeing what you write next, because I can actually use this as part of my study in dreams. Thanks!