1. From the Centre for Sleep and Cognition (F.J., S.L., M.O., J.H.Z.), Yong Loo Lin School of Medicine, National University of Singapore; Memory Aging & Cognition Centre (Y.L.C., C.N.K., N.V., C.C., M.K.P.L.), National University Health System; Department of Pharmacology (Y.L.C., C.N.K., C.C., M.K.P.L.), Yong Loo Lin School of Medicine, and Cardiovascular Research Institute (A.M.R.), National University of Singapore; Christchurch Heart Institute (A.M.R.), University of Otago, New Zealand; St Luke's...