James E Gangwisch

Sleep duration as a risk factor for diabetes incidence in a large U.S. sample.

Andrew G Rundle, Ruud M Buijs, Steven B Heymsfield, 2007, Sleep.

Inadequate sleep as a risk factor for obesity: analyses of the NHANES I.

Steven B Heymsfield, Bernadette Boden-Albala, S. Heymsfield, 2005, Sleep.