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: 3sFxfExplore: rvySeExplore: f8jW7Explore: ocIuNExplore: jV0F5pp27z9.studiotwig.comExplore: 4EopB6pd51f8.aryadharmaadi.com