Acute partial sleep deprivation increases food intake in healthy men.

Background: Acute partial sleep deprivation increases plasma concentrations of ghrelin and decreases those of leptin.

Objective: The objective was to observe modifications in energy intake and physical activity after acute partial sleep deprivation in healthy men.

Design: Twelve men [age: 22 +/- 3 y; body mass index (in kg/m(2)): 22.