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I have heard that giraffes sleep very little in a 24 hour period. I also seem to remember that sharks don't really sleep? I am interested in sleep in animals and any information you may have.
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www.madsci.org/posts/archives/aug2000/965504574.Zo.q.ht...
www.madsci.org/posts/archives/aug2000/965504574.Zo.q.html
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All animals sleep even though not all of them close their eyes when doing so. Only fish might not sleep - it is not clear yet to biologists. Dolphins sleep when half of their brain is awaken, because their breathing process depends on their brain.
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yedda.com/questions/animals_sleep_biology_zoology_18641...
yedda.com/questions/animals_sleep_biology_zoology_1864174025215/
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Sleep - Wikipedia, the free encyclopedia
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Sleep is a naturally recurring state of relatively suspended sensory and motor activity, characterized by total or partial unconsciousness and the inactivity of nearly all voluntary muscles. It is di...
en.wikipedia.org/wiki/Sleep
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How Much Do Animals Sleep? ... Most animals have a daily pattern of rest and activity. Some animals are more active during the day (diurnal) and some are more active during the night (nocturnal). How much time do animals spend sleeping? Well, it depends on the animal:
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faculty.washington.edu/chudler/chasleep.html
faculty.washington.edu/chudler/chasleep.html
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There IS one animal that NEVER sleeps. The one and only animal, is the bull frog. Every other animal gets some kind of sleep, even if it's a few minutes at at time. Bull frogs however, rest, but DO NOT sleep! References to this can be found on line and in encyclopedias....
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www.websciences.org/bisleep/discussions/basic/messages/...
www.websciences.org/bisleep/discussions/basic/messages/msgs13193.html
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Sweet Dreams: How Animals Sleep (Hardcover) ... PreSchool-Grade 2-"Orangutans doze in a bed of leaves./Lions sleep wherever they please." Some animals sleep standing up, some clutch their babies as they hug trees, and others sleep underwater in this photographic introduction.
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www.amazon.com/exec/obidos/ASIN/0805058907/preschoole05...
www.amazon.com/exec/obidos/ASIN/0805058907/preschoole054-20
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The study found that animals that sleep the longest had six times as many immune cells as those that take short siestas. Additionally, critters catching the fewest z’s had 24 times as many parasites as the best-rested species.
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discovermagazine.com/2009/apr/22-new-theory-about-why-s...
discovermagazine.com/2009/apr/22-new-theory-about-why-sleep-maintain-immune-system
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Every animal sleeps, but Cows Sleep with eyes open & Migratory birds Sleep while flying across the ocean
http://sawaal.ibibo.com/pets/which-is-the-animal-which-...
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Sleep plays a major role in the functioning of brain, affecting learning and memory, say scientists. ... The researchers believe the findings provide strong evidence sleep helps the brain function well and consolidate experience into memory in animals.
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news.bbc.co.uk/2/hi/health/1296361.stm
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