Adrenal Gland Insufficiency Caused by ACTH Deficiency. Adrenal gland insufficiency happens when your adrenal gland, a small gland near your kidneys, does not make enough of a hormone called cortisol. Your pituitary gland makes a hormone called adrenocorticotropic hormone (ACTH). This hormone tells your adrenal glands to release cortisol. You need cortisol to maintain healthy blood pressure.
A nightmare during sleep can trigger a cold sweat, and people with prolonged stress or anxiety problems can experience sweating as a symptom. Cold sweat. Excessive sweating can also be a symptom of many other disorders, whether a cold sweat or if it occurs during sleep as a night sweat. Doctors often hear their patients complain of night sweats. Night sweats refer to any excess sweating occurring during the night.
1 Postural hypotension â a sudden fall in blood pressure when you suddenly sit or stand up, which goes away after lying down. 2  This is more common in older people. 3  Dehydration or heat exhaustion â dehydration could be due to not drinking enough during exercise, or illness that causes vomiting, diarrhoea or fever.