Some people report that Modvigil 200 mg makes them feel more awake, focused, motivated, and mentally clear, especially when they are sleep-deprived or have a condition it is prescribed to treat. However, it is not designed to create a "feel-good" or euphoric effect, and experiences vary from person to person. Some users may instead experience side effects such as headache, anxiety, or difficulty sleeping. Because Modvigil 200 mg is a prescription medication, it should be used only under the guidance of a qualified healthcare professional.