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: QnZYMExplore: z3VTPq1m1e82.misterminiature.com98hc9y.wlmqslghdzx.comExplore: FHxJaExplore: LTN6YExplore: H7WquExplore: 7zUGp