Artvigil 150 mg is a medication used to treat excessive daytime sleepiness. It belongs to the class of drugs known as wakefulness-promoting agents. The active ingredient in Artvigil 150 is Armodafinil, which works by affecting certain chemicals in the brain that control the sleep/wake cycle. It is commonly prescribed for conditions such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. Artvigil 150 is known to improve wakefulness, alertness, and cognitive function in individuals suffering from excessive daytime sleepiness.