The main purpose of armodafinil, which is marketed under the brand names Artvigil 150 and Nuvigil, is to treat excessive daytime drowsiness brought on by a variety of sleep disorders. A chronic disorder called narcolepsy is typified by uncontrollably profound slumber bouts that occur throughout the day. Armodafinil is used in conjunction with CPAP therapy to assist treat obstructive sleep apnea (OSA), which causes excessive daytime drowsiness. Armodafinil can assist people with shift work sleep disorder (SWSD), which is characterised by irregular work schedules, such as night shifts, stay awake and focused.