Armodafinil is a prescribed medication for the treatment of Shift work sleep disorder, obstructive sleep apnea, and narcolepsy. These help in treating excessive daytime sleepiness. Apart from treating excessive daytime sleep disorders, it has many off-label uses, such as helping increase cognition, mood, activeness, and alertness. Armodafinil works by increasing the neurotransmitters, which help increase wakefulness and support in working the brain. It starts to show its effect within 30 minutes of its intake. Learn more information about Armodafinil at Health Matter.