Artvigil 150 mg is primarily used to enhance wakefulness in individuals suffering from sleep disorders such as narcolepsy and obstructive sleep apnea. It acts as a eugeroic, promoting alertness and reducing excessive daytime sleepiness. Additionally, Artvigil may be prescribed off-label for conditions like shift work sleep disorder, which it helps individuals adjust to irregular work hours. The active ingredient, armodafinil, works by altering neurotransmitters in the brain, leading to increased cognitive function and improved focus, making it beneficial for those needing to maintain high concentration levels during demanding tasks.