Cephalon soldiered on , giving fda more data .

cephalon锲而不舍，这次给fda提供了更多的数据。

The most common side effects for nuvigil , include diarrhea , headache , insomnia and nausea , according to cephalon .

根据cephalon的说法，nuvigil最常见的副作用有：腹泻，头痛，失眠和恶心。