Armodafinil, a non-amphetamine stimulant, improves wakefulness and alertness in Artvigil 150. Several randomized, double-blind studies have indicated that armodafinil improves wakefulness and long-term episodic memory in obstructive sleep apnea patients with excessive drowsiness. It also helps narcolepsy patients remember. Artvigil 150, which includes 150mg of armodafinil, aids study by improving focus and memory. However, Artvigil 150 and other medications should always be reviewed with a doctor because they may not be right for everyone and may cause negative effects.