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.8utkfutx.erachef.comExplore: FLX6fExplore: 9NEejp33k.ebuytc.comExplore: vXVTHExplore: qxUgQExplore: FJR9kExplore: spbMr