DST and obesity due to melanocortin 4 receptor deficiency: Moreover, in the obesity-specific analysis, MeP, 2, 5-DCP, MCOP, MCPP, MiBP, and MBzP were positively associated with short sleep duration, while BZP and PrP showed a negative association in both general and abdominal obesity, and BPA and MiBP revealed a positive association with short sleep duration in abdominal obesity only.