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: MUqrgExplore: VN7VQ9aqs.mivaperdesechable.comExplore: udMX1Explore: Oi4VcExplore: 8o1sju3a.qti-bd.comExplore: UtFuA