by drcatherinedarley | Nov 23, 2009 | behavioral treatment, circadian rhythm, cortisol, insomnia, neurotransmitters of sleep
Cortisol is an intrinsic hormone we all have. It is secreted by the adrenal glands on a regular daily basis. There is a daily fluctuation in levels, called it’s circadian rhythm. Cortisol should be low at night while we sleep. It rapidly rises in the early...
