This is a medicine that is manufactured by the sun pharmaceuticals company. That is popularly known as world leading drugs Production Company. The tablet artvigil 150 mg is used to reduce the problem of shift sleeping. This problem commonly seen with many people who are working continues night and day shift. Irregular sleeping time causes this kind of problem. Suddenly sun pharmaceuticals stopped the production of this medicine that lead cephalon Inc, company to produces this product that is very helpful to the people.