Yes, definitely. If you see the symptoms of narcolepsy you can understand why. There are many diseases that are interconnected. If you search it briefly you can be able to know.
When I searched about Parkinson’s I was just shocked when I found many interconnected diseases. Narcolepsy is not just a single thing, there are many connected core diseases with narcolepsy. If you see from the first there are many core parts in narcolepsy like cataplexy, excessive sleeping disorder, Sleep paralysis, hallucination. Not every case but there some cases are available where those symptoms are available in Patients.
So, narcolepsy can be the core part of Parkinson’s. You must have to aware of it. Because these starting points can be pushed you to the long.