Armodafinil 150 mg is the prescribed dosage to treat disorder like Narcolepsy, Obstructive sleep apnea, Insomnia, Shift work sleep disorder etc. It enhance the cognitive function of the brain and improve those parts of the brain which is related to learning, productivity, memory power etc. Dosage of Armodafinil might different from person to person depending on condition like age or other health related issue. Visit this site to know the detailed use of Armodafinil.