Hibernation allows many animals to survive winters, which are dark and cold, without having to migrate elsewhere or search for food under the threat of predation, injury, or death.

Some mammals are capable of hibernating during periods of low food availability in an effort to conserve energy and survive.

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Animals enter torpor through sleep, and in a way sleep echoes the metabolic reductions of hibernation. In sleep, human metabolism drops by around 15% and our body temperatures also fall a few degrees.

Hibernation is a state of psychological and physical adaptation that helps the animals conserve energy and survive for long periods without food. As humans, would we ever think of giving up eating ...

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Hibernation is not animals going to sleep for weeks at a time, but they do find a safe place to get cosy for the winter. Hibernating animals are able to decrease their heart rate and slow their ...

"When animals, especially bears, hibernate, they can actually wake up from time to time," said LaFrance. "They can wake up, they can get out of their den, and they can walk around.

Hibernation in animals can last for hours to days to months. Alaskan bears have been known to hibernate for as long as seven months, although they may wake up and briefly move around if disturbed.