RESULTS	Common drug-related adverse events for rotigotine and placebo included nausea ( 21.7 % / 4.8 % ) , headache ( 17.4 % / 14.3 % ) , application site reactions ( 17.4 % / 4.8 % ) , and somnolence ( 10.9 % / 9.5 % ) ; most were mild to moderate in intensity .\