Hibernate (verb)

1. To spend the winter in a dormant state, typically in a cave or burrow.
2. To go into a state of reduced metabolic activity, usually in response to cold temperatures or reduced food availability.

Origin:

From the latin word hibernare meaning "to spend the winter".

Examples:

1. Bears hibernate during the winter months.
2. Some species of frogs hibernate underground.
3. The computer can be set to hibernate when not in use to save energy.
4. Many animals hibernate during the winter months to conserve energy.
5. Hibernating animals often wake up to eat and drink before returning to sleep.