yán / jiū / rén / yuán / zhèng / zài / píng / gū / mò / dá / fēi / ní / duì / shì / shuì / zhèng / huàn / zhě / de / bāng / zhù研究人员正在评估莫达非尼对嗜睡症患者的帮助。Researchers are evaluating how modafinil helps patients with narcolepsy.