Figure 1
Daily rhythms of melatonin and growth hormone secretion in the regular circadian rhythm (RCR, n = 8) group and irregular circadian rhythm (ICR, n = 7) group. RCR group: there is a peak in melatonin and growth hormone secretion at 04:00 h. ICR group: there is no peak in melatonin and growth hormone secretion at 04:00 h. The vertical lines indicate standard errors of the means (SEM).
Figure 2
Morning and evening psychosomatic condition scores in the regular circadian rhythm (RCR) and irregular circadian rhythm (ICR) groups. The scores shown are means and SEM. Each scale ranges from 1 to 4, with a higher score indicating a greater degree of the psychosomatic symptom (No, Somewhat No, Somewhat Yes, Yes). (A) 8:00 AM; (B) 8:00 PM.