Narcolepsy is a lifetime disorder that makes you feel overwhelmingly sleepy and excessive sleepiness. In severe cases patients may suffer from “sleep attacks” which are bouts sleep that can last a few seconds to a several minutes. narcolepsy is an extreamely disruptive sleep disorder and can be very dangerous as sleep attacks may occur at any time regardless of a persons activity.
Because the dangers are so high some states have laws against persons driving with untreated narcolepsy. The cause of narcolepsy is unknown and although the condition can run in some families it in most cases it is not a genetic condition.