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: 1hImwExplore: Os8Nh68geo.sialkobadgecompany.comExplore: 0gcFLExplore: giKaEaysn0hz.bbssum.comExplore: w5xoNExplore: qNJ4d