Besides the presence of excessive sleepiness, which usually is the first symptom noted, the person suffering from narcolepsy may experience a sudden weakness of the muscles called cataplexy. A cataplectic attack is usually triggered by such emotions as laughter, anger, elation, or surprise.
It may be experienced as partial muscle weakness lasting a few seconds or as almost complete loss of muscle control lasting for 1 to 2 minutes. During this period, the victim may be in a state of nearly total physical collapse, unable to move or speak, but still conscious and at least/ partially aware of activity in the immediate environment.
Narcolepsy, believed to be caused by a defect in the central nervous system, has no known cure. However, after proper diagnosis, the disorder can be effectively managed with drugs.
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