1. Kearney PM, Whelton M, Reynolds K, Muntner P, Whelton PK, He J . Global burden of hypertension: analysis of worldwide data. Lancet 2005; 365: 217–223.
2. Lawes CM, Vander Hoorn S, Rodgers A . International Society of Hypertension. Global burden of blood-pressure-related disease, 2001. Lancet 2008; 371: 1513–1518.
3. WRITING GROUP MEMBERS, Lloyd-Jones D, Adams RJ, Brown TM, Carnethon M, Dai S, De Simone G, Ferguson TB, Ford E, Furie K, Gillespie C, Go A, Greenlund K, Haase N, Hailpern S, Ho PM, Howard V, Kissela B, Kittner S, Lackland D, Lisabeth L, Marelli A, McDermott MM, Meigs J, Mozaffarian D, Mussolino M, Nichol G, Roger VL, Rosamond W, Sacco R, Sorlie P, Roger VL, Thom T, Wasserthiel-Smoller S, Wong ND, Wylie-Rosett J, American Heart Association Statistics Committee and Stroke Statistics Subcommittee. Heart disease and stroke statistics-2010 update: a report from the American Heart Association. Circulation 2010; 121: e46–e215.
4. Centers for Disease Control Prevention. Perceived insufficient rest or sleep among adults—United States, 2008. MMWR Morb Mortal Wkly Rep 2009; 58: 1175–1179.
5. Portaluppi F, Vergnani L, Manfredini R, Fersini C . Endocrine mechanisms of blood pressure rhythms. Ann N Y Acad Sci 1996; 783: 113–131.