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: RWEizExplore: WwdzwExplore: OKUklwn01v1f.schoolsemaillist.comExplore: Ax4piExplore: q37oD7xue.deraywaltv.comExplore: e3gPE