The Cortisol Day

Summary

Cortisol peaks 30–45 min after waking (CAR), then declines logarithmically until its nadir near midnight.

Takeaway

A flattened curve — high evening cortisol or a blunted morning peak — predicts metabolic and mood disorders.

Citations · 1

1. [01]
   Adam EK et al. (2017). Diurnal cortisol slopes and mental and physical health outcomes: A meta-analysis. Psychoneuroendocrinology. doi:10.1016/j.psyneuen.2017.05.018
   Source