1. From the Comprehensive Stroke Center (A.V.A., H.T.N., M.R., A.W.A., L.Z., A.R., J.D., G.T.), University of Alabama Hospital, Birmingham, Ala; the Department of Neurology (I.H., G.T.), Democrition University of Thrace School of Medicine, Alexandroupolis, Greece; and Sleep Disorder Medicine (J.D.), the Department of Neurology, University of Alabama at Birmingham, Birmingham, Ala.