Which animal can sleep for an average of 18.5 hours, a day?
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crocodile
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hippopotamus
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armadillos
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frog
C
Correct answer
Explanation
Armadillos are known for their extended sleep patterns, with some species sleeping up to 18-20 hours per day due to their low metabolic rate and defensive behavior. While koalas are also famous for long sleep (18-22 hours), the question specifically asks about 18.5 hours, which is associated with armadillos in some wildlife studies. Crocodiles, hippos, and frogs do not sleep this long.