The Association Between Sleep Duration, Insulin Sensitivity, and β-Cell Function: The EGIR-RISC Study. Rutters, Femke; Besson, Herve; Walker, Mark; Mari, Andrea; Konrad, Thomas; Nilsson, Peter M.; Balkau, Beverley; Dekker, Jacqueline M.. The Journal of Clinical Endocrinology and Metabolism. 2016; 101: p.3272-3280. doi:10.1210/jc.2016-1045Article