There's a chill in the air where Jessi and Squeaks live, and that means it's time for some animals to start the long, yearly nap called hibernation! Learn why animals hibernate and how they get ready to sleep for months at a time! ---------- Hi there! We at SciShow want to learn more about you and your opinions! If you have time, please take a moment to fill out this survey: www.surveymonkey.com/r/SciShowSurvey2017 Thank you! ---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: www.patreon.com/scishowkids ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow SOURCES: ypte.org.uk/factsheets/hibernation/what-is-hibernation www.conservationinstitute.org/10-animals-that-hibernate/ www.scientificamerican.com/article/how-do-frogs-survive-wint/