ACTH level is highest during:
A i.e. Early morningACTH level is highest during early morningQ. About 75% of daily output occurs between 4 AM and 10 AM.Secretion is least in the evening. The biological clock responsible for diurnal variation of ACTH is located in suprachiasmatic nuclei of hypothalamusQ.
Early morning
Evening
Afternoon
Night
Early morning