hibernate
verb (used without object)
to spend the winter in close quarters in a dormant condition, as bears and certain other animals.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
During the winter, many people go into semihibernation: They work less, see fewer people, and are exposed to less frustration and conflict.
From Slate ● Dec. 7, 2012