Not entirely true. Numerous studies on modafinil have kept subjects awake for up to 4 days with no cognitive impairment. http://www.erowid.org/smarts/modafini

Not entirely true. Numerous studies on modafinil have kept subjects awake for up to 4 days with no cognitive impairment. http://www.erowid.org/smarts/modafinil/modafinil_media1.shtml http://www.erowid.org/smarts/modafinil/modafinil_media1.shtm...