A member asked:

I have a reverse sleep schedule. if i have cortisol and acth blood tests, should i do them at a different time than most people? i sleep 5am-2pm.

A doctor has provided 1 answer

Dr. Klaus d Lessnau answered

Specializes in Pulmonary Critical Care

Good question: I would get both. Regular time and about 2 hours after awakening. Discuss with your doc if this testing is useful anyway. There is usually no good reason to do it unless there is a strong suspicion for some rare disease.

Answered 7/26/2013

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A member asked:

I have a reverse sleep schedule. if i have cortisol and acth blood tests, should i do them at a different time than most people? i sleep 5am-2pm.

A doctor has provided 1 answer

Dr. Klaus d Lessnau answered

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Questions?

My cortisol + ACTH are both very low. I also have severe nausea, fatigue, and low blood pressure. My ACTH stim test showed that I do not have adrenal insufficiency. Could the low cortisol still be the cause of the nausea? If so, how do I raise it?