http://en.wikipedia.org/wiki/Modafinil
Side-effects
The most common side-effects observed with modafinil, as compared to placebo, when prescribed in the recommended doses for the approved indications, are as follows:cn
Common
Headache (34% vs 23%)
Nausea (11% vs 3%)
Less common
Nervousness (7% vs 3%)
Insomnia (5% vs 1%)
Anxiety (5% vs 1%)
Dizziness (5% vs 4%)
Infrequent
Chest pain (3% vs 1%)
Hypertension (3% vs 1%)
Tachycardia (2% vs 1%)
Vasodilatation (2% vs 0%)
Dry mouth (4% vs 2%) -->I'm sure none of you posting here have ever had this problem
Paresthesia (2% vs 0%)
Pharyngitis (4% vs 2%)
Anorexia (4% vs 1%) FTW?