Why do Dolphins and Whales sleep with one eye open?
Podcast:Who Smarted? - Educational Podcast for Kids Published On: Wed Jan 05 2022 Description: Do fish sleep? How can sea creatures sleep if they have no eyelids? How do marine mammals breathe while they sleep? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.