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Mean 24-h profiles of leptin (A), total ghrelin (B), and cortisol (C) expressed as % of the 24-h during normal sleep (NS) during the restricted 4.5 h (red) or normal 8.5 h (black) sleep condition (n = 14). Vertical bars at each time point represent the standard error of the mean. The sleep period is denoted with red or black bars. Arrows represent the identical carbohydrate-rich meals, presented at 09:00, 14:00, and 19:00.
