If nothing works for your sleep Modafinil comes as a ray of hope for millions suffering from sleep issues. Some of the primary effects include mental alertness, cognitive enhancement, and wakefulness. If you are looking to beat your sleep problems, then trying Modafinil can be something that can be beneficial for you. It helps in making you stay awake during work hours if you work at odd times during the night and sleep in a different cycle. It helps you adjust your normal sleep routine upside down as per your requirements. Despite its name, Modafinil may not be an alternative to sleep, but it can give you the energy you need when you stay awake. Modafinil works by changing the natural chemicals or neurotransmitters in the brain. Some of the regular users of Modafinil include students, office personnel working odd shifts, people having issues with sleep, and night shift workers.