Prepared to Lead. The term Commissioned Officer generally refers to members of the Navy or Navy Reserve who have a degree from a four-year college or university as a minimum educational requirement and have gone through Officer Training (there are exceptions to the degree requirement based on extensive service experience).
Modafinil is a wakefulness-promoting agent (or eugeroic) used for treatment of narcolepsy, shift work sleep disorder, and excessive daytime sleepiness associated with obstructive sleep apnea.
It acts as a blocker of a type of molecule called the dopamine transporter, a mode of action shared with stimulants such as amphetamine and methylphenidate, but its influence is relatively weak and does not easily explain the observed effects of modafinil on wakefulness and cognition.