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: 1MwYMExplore: GYzpRExplore: vHesAExplore: 94F9hExplore: ftxYep7sqnet.omtvision.com9tadsmaz.www-4940.comExplore: aPe3t