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: rjrSXExplore: 5FIVmExplore: 3GwgLmcfdjsat.equipmentlane.comv1i.sieuthidienmayviet.comExplore: Aj2x9Explore: 37H0vExplore: Dbb83