Vilafinil 200mg is a narcolepsy- treating medication which belongs to the Modafinil drug class. It is also effective in treating problems like irregular or stopped breathing during sleep (Obstructive Sleep Apnea). Narcolepsy patients, who suffer from irresistible bursts of sleep attacks during the active hours of the day, can end their embarrassment with the usage of Vilafinil 200mg UK.