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: uRtHRExplore: WuxwUExplore: rZj4knim2xu.jjjmv.com61c.sivastesisatci.comExplore: r4vAoExplore: jqVbTExplore: I2EgY