This Guide Includes:

Oodles of snoozes

Every little bit of rest counts. For a chinstrap penguin, about 10,000 brief snoozes each day can add up to more than 11 hours of rest. Learn how these animals adapted to their environment by managing to grab this much-needed shut-eye. And they do it without relaxing their guard. Then answer questions discussing the relationship between habitats, behavior and sleep patterns.