#longest-period
sleep Which animal has the longest period of sleep?
The animal with the most extended period of sleep is the koala. Koalas usually sleep for approximately 18-22 hours per day. This extended period of... Read more
contact_support Which animal has the most extended known hibernation period?
The Arctic ground squirrel, also known as the Siberian chipmunk, has the longest hibernation period of any animal. These creatures can hibernate for... Read more