Artvigil 150mg is an Armodafinil brand approved by the FDA to treat excessive sleepiness. It provides wakefulness and improves cognition functions. It is an effective nootropic that begins its action within 30 minutes of intake and its effect lasts for long hours of around 15 hours. People with excessive daytime sleepiness are advised to take the Artvigil 150mg dose in the morning and night shift workers should take the dose 30 minutes before the shift starts. It allows users to stay active and awake in such odd hours. Health Matter offers Artvigil 150mg online without a prescription.