Sleep Disorders

Narcolepsy is characterized by symptoms such as excessive daytime sleepiness, cataplexy (sudden loss of muscle control, often triggered by strong emotions) and fragmented sleep. Narcolepsy occurs throughout the world but occurrence rates vary among populations. Occurrence of Narcolepsy is estimated to be 1 in 2,000 people in the United States and it affects around 3 million people worldwide, as reported in many epidemiology based studies. The occurrence rate of narcolepsy is remarkably lower in Israel and quite higher in Japan compared to the United States and Europe. In Europe, the occurrence rate is found to be higher in UK and Germany than other European countries. ...