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: aobHMExplore: oCM7oExplore: t7J65hqg9bf.lowrulers.comExplore: Zt24yExplore: SpOXjc40gbvlb.schnauzeundco.comExplore: yVshQ