5 Animals That Sleep Too Much (and One That Might Not Need To)

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Shared April 21, 2019

In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.

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Sources:
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Brown Bat:
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Koalas:
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Opossum:
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Human infants:
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https://www.sciencedirect.com/science...
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Nine-banded Armadillo:
https://www.sciencedirect.com/science...
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https://www.researchgate.net/publicat... [PDF]

Fruit flies:
http://advances.sciencemag.org/conten...
https://www.sciencemag.org/news/2019/...