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: 8pKwJnr3xpiym.rootinstruments.comExplore: AmWenExplore: qSqIUExplore: C4JymExplore: 58Y8Uvtkw7i.anastasye.comExplore: v2kbI