Modafinil 400 mg is a daily dose of modafinil a medicine that doctors prescribe to help people stay awake during the day. This medicine is used for people who have narcolepsy obstructive sleep apnea and shift work disorder. Modafinil 400 mg works on the brain and nerves to help people stay awake. We do not know exactly how it does this. The goal of this medicine is to help people with... https://www.armodafinil.com.au/product/modafinil-400mg