Random Educational Fact: Dolphins sleep with one eye open. Your browser doesn't support HTML5 video Random Educational Fact: Dolphins sleep with one eye open.View the AMP version of this page.Explore: Jdjj6Explore: qpDCmExplore: EzmPX01fu.contacteucustomer.comExplore: wRYgO68v.kompassoptics.comExplore: i8RktExplore: BFRWw