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You answered "Giraffes sleep standing up ". Click "CONTINUE" to proceed to the next question.
Interesting fact:
Koalas are the sleepiest of all the animals. They sleep for an approximate 22 hours a day! Other animals also enjoy some shuteye, like pythons (18 hours a day), giant armadillo (18 hours a day) and brown bats (19-20 hours a day).