Wiadnyana IPGP, Susanto AD, Amri Z, Antariksa B. J Respir Indones. 2010;30(1). Background: Taxi Driver is an unique profession because of the wide environment, the long hours working duration, the fluctuative wages, and the accidental risks. About 60% taxi’s accidents in Company X were caused by sleepy conditions. Sleepy conditions may be caused by obstructive […]