Plasma ACTH levels are high between these following hours
(B) 4 AM and 10 AM # ACTH the primary stimulator of adrenal cortisol production is synthesized by pituitary in response to CRH, which is released by hypothalamus.> Plasma ACTH and cortisol levels exhibit peaks at 6-8 AM and nadirs at 11 PM.> Referene values: 10-60 pg for AM values. No established reference values for PM.
4 PM and 8 PM
4 AM and 10 AM
10 AM and 3 PM
10 AM and 2 PM
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