Although there are no statistics for Taiwan, Chen Ning-hung, director of the sleep impediment center at Chang-Gung Memorial Hospital, points to statistics released by the American government last year. In the United States car accidents due to insomnia cause losses or damages totalling US $ 12 billion a year.
長庚睡眠障礙中心主任陳濘宏引用去年美國政府公佈的統計：因睡眠疾病引起的車禍，造成美國一年一百二十億美金的損失。