Narcolepsy is a sleep disorder characterized by uncontrollable bouts of tiredness and sleep. The disorder affects the daily lives of narcoleptics, because the attacks can happen any time of the day. Mild patterns may not cause sudden sleep, but extreme tiredness is common.
Narcolepsy patients have extreme tiredness throughout the day. With mild symptoms, the patients may not fall asleep by may find it difficult to stay alert.
Narcoleptics lose muscle control from loss of tone. Their head may drop or knees may be weak during emotional times.
Sleep paralysis is characterized by sudden lock in muscles and abrupt cessation of breathing. Narcoleptics are unable to speak and move for a few seconds after awakening.
The lack of sleep causes patients to see hallucinations. This can happen in the day or night.
Approximately 40 percent of narcoleptic patients sleep walk at night.