What are the 5 signs of narcolepsy? There are 5 main symptoms of narcolepsy, referred to by the acronym CHESS (Cataplexy, Hallucinations, Excessive daytime sleepiness, Sleep paralysis, Sleep disruption). While all patients with narcolepsy experience excessive daytime sleepiness, they may not experience all 5 symptoms.
What is narcolepsy caused by? 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 to work.
What are the three symptoms of narcolepsy? The most typical symptoms are excessive daytime sleepiness, cataplexy, sleep paralysis, and hallucinations. Though all have excessive daytime sleepiness, only 10 to 25 percent of affected individuals will experience all of the other symptoms during the course of their illness. Excessive daytime sleepiness (EDS).
Who is most at risk for narcolepsy? You’re at an increased risk of having the condition if a family member has type 1 narcolepsy. Brain injuries. A traumatic brain injury, tumor, or other disease or medical condition that impacts the part of the brain that regulates sleep may also lead to narcolepsy.