Research Studies

I. Hypotheses and Specific Aims: Aim 1: Examine the effect of experimental sleep extension on insulin sensitivity and secretion in typically short-sleeping adolescents. Hypothesis 1: Insulin sensitivity will improve following sleep extension compared to typical short sleep. Aim 2: Examine the effect of experimental sleep extension on dietary intake in typically short-sleeping adolescents. Hypothesis 2: Overall caloric intake, fat, carbohydrate, and sugar intake will decrease following sleep extension.