In addition, they naturally release higher levels of cortisol in stressful situations, which makes them more prone to the negative effects of stress. (fitnessandpower.com)
The lack of sleep is associated with higher levels of cortisol, slower metabolic rate, mood disorders and impaired cognitive functioning. (fitnessandpower.com)
However subsequently, higher levels of cortisol caused by caffeine consumption stimulate appetite. (teeccino.com)