Modactive is a brand name for modafinil, a medication designed to promote wakefulness and enhance cognitive function. It is commonly used in the treatment of sleep disorders. Usefulness Modactive is primarily prescribed for: Narcolepsy: Helps manage excessive daytime sleepiness and sudden sleep attacks. Obstructive Sleep Apnea: Aids in reducing sleepiness in patients whose sleep is disrupted due to breathing issues. Shift Work Sleep Disorder: Beneficial for individuals with non-traditional work hours, helping them stay alert during waking hours.