hibernate
verb (used without object)
to spend the winter in close quarters in a dormant condition, as bears and certain other animals.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Each winter he has hibernated as soon as cold weather began, and reappeared with the spring sunshine.
From Wild Nature Won By Kindness by Elizabeth Brightwen