<p>Armodafinil, available under the brand name Buy Artvigil 150mg, is a wakefulness-promoting medicine used to treat sleepiness brought on by conditions including narcolepsy, OSAHS, and SWSD. The chemical balance in the brain that regulates sleep and wakefulness is altered. The recommended dosage of Artvigil is one 150mg tablet once a day, taken in the morning before breakfast. Depending on the severity of their ailment and how well they respond to therapy, some adults may need higher doses than the standard 150mg.</p>