PER1 and obesity due to melanocortin 4 receptor deficiency: The reduction in PER1 we observed after exercise is in contrast with a recent finding that a session of moderate‐to‐vigorous exercise (80% VO2max) increased the mRNA expression of PER1 in aSAT after 8 weeks of exercise training in adults with overweight/obesity (Dreher et al., 2023).