1. From the Division of Cardiovascular Medicine, Department of Medicine (S.H., M.F., K.E., K.K.) and Department of Sleep and Circadian Cardiology (S.H.), Jichi Medical University School of Medicine, Tochigi, Japan; Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL (Y.Y.); Haimoto Clinic, Aichi, Japan (H.H.); Yamagiwa Clinic, Aichi, Japan (K.Y.); Oooka Clinic, Nagano, Japan (K.U.); Department of Medicine, Division of Diabetes, Metabolism and...