All over the world there are animals hibernating. Animals hibernate when food is scarce and to survive. This usually happens in the winter to protect the living thing from the cold.
When an animal hibernates, it’s body goes into a deep sleep for a long period of time and the heart rate, temperature and breathing all drop or slow down. The animals don't just sleep like we do at night time, it’s a deeper and longer lasting sleep.
Bats are the best hibernators, because they have had the world record of 344 days of hibernation! They don't need to eat but they do wake up to drink.
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