hibernation, n.All

Bears, after hibernation, are typically 25% lighter.

Only pregnant females polar bears hibernate

Snails can sleep for 3 years

Hibernation is, for wild animals, to pass the winter imitating an office worker.

Hibernation is a covert preparation for a more overt action.

Grizzly bears can hibernate up to 7 ½ months. This means no eating, drinking, urinating, or defecating.

Bears don't pee while hibernating. Instead, their bodies turn urine into protein and use it for sustenance.