What Is The Main Cause Of Narcolepsy?
What Is The Main Cause Of Narcolepsy? What causes narcolepsy. Narcolepsy is often caused by a lack of the brain chemical hypocretin (also known as orexin), which regulates wakefulness. The lack of hypocretin is thought to be caused by the immune system mistakenly attacking the cells that produce it or the receptors that allow it