he article. He does, however, provide a well-supported argument in a logically sequenced manner. His article, additionally, helps to peak ones interest in the topic of narcolepsy. Furthermore, Siegel did not make the article to be overly scientifically based so that understanding the concepts was uncomplicated. Siegels information, on the other hand, does not entirely match that found in the Carlson text as it states that narcolepsy is a genetic disorder. Additionally Carlson states that a study showed that many narcoleptic patients lacked orexin in their cerebral spinal fluid. This lack of correspondence causes each source to be put into question. Both sources provide evidence to back their claims, however, so it is obvious that further research is essential to our understanding of narcolepsy....