2Ulfberg J, Carter N, Talback M, et al. Excessive daytime sleepiness atwork and subjective work performance in the general population and among heavy snorers and patients with obstructive sleep apnea [ J]. Chest 1996 ; 110:659 - 663.
3Gislason T, Benediktsdottir B, Bjomsson JK, et al. Snoring Hypertension and the sleep apenea syndrome - an epidemic logical survey of middle - aged women chest 1993 ; 103:1147 - 1151.
4Young T, Palta M, Dempsey J, et al. The occurrence of sleep - disordered breathing among middle - aged adults. N Eng Jmed 1993 ;328:1230 - 1235.
5Johns M W. A new method for measuringdaytime sleepiness: The epworth sleepi - ness scale[J]. Sleep,1991,14: 540 -54.
7Young T, Peppard PE, Gottlieb DJ. Epidemiology of obstructive sleep apnea: a population health perspective. Am J Respir Crit Care Med,2002,165 : 1217 - 1239.