What are possible side effects of modafinil?

Answer:
Headache , nausea, and upset stomach are the most frequently reported side effects of modafinil. Other possible side effects include excessive difficulty sleeping, nervousness, depression
First answer by Gale Ency of Neuro Dis. Last edit by Gale Ency of Neuro Dis. Contributor trust: 14 [recommend contributor recommended]. Question popularity: 1 [recommend question].