Impact of Sleep and Its Disturbances on Hypothalamo-Pituitary-Adrenal Axis Activity
Figure 5
Inverse “dose-response” relationship between evening cortisol levels and sleep duration. Mean 24-hour (+ SEM) cortisol profiles and AUC (black areas) under 4 hours, 8 hours, and 12 hours bedtimes. Black bars represent the sleep periods. (Adapted from Spiegel et al. [84].)
