Hall M, Muldoon MF, Jennings JR, Buysse DJ, Flory JD, Manuck SB. Self-reported Sleep Duration is Associated with the Metabolic Syndrome in Mid-life Adults. Sleep, 31(5):635-643, 2008. Date Published Monday, December 31, 2007 Author(s) Richard Jennings, Ph.D. Stephen Manuck, Ph.D.