You may experience irresistable sleep attacks without warning and at inappropriate times. Which makes this disorder a dangerous one at times. A person may fall to the floor during these episodes of cataplexi. Sleep Paralysis is another classic symptom of narcolepsy. If you've ever experienced this particular part of narcolepsy, you know how frightening it can be.
Sleep paralysis is the temporary inability to talk or to move when falling asleep or waking up.
You are aware of your surroundings yet to the onlooker you may seem to be asleep, or statue-like during the seizure. Hypnagogic hallucinations often accompany episodes of sleep paralysis, but not always. H.H. are vivid, very frightening, dream-like experiences that occur while dozing or falling asleep and is often indicative of narcolepsy. Some people report feeling a 'presence' during these episodes as well as hearing voices or terrifying 'monster like' sounds, i.e. growling, moaning etc. The symptoms described above are the four main symptoms of narcolepsy.