The right to work has been recognized as a fundamental human right in almost all international human rights documents and in the constitutions of many countries. This right has been recognized and guaranteed as a fundamental human right also in the Constitution of the Republic of Turkey. However, not only recognizing and guaranteeing "work" as a fundamental human right but also regulating its implementation and functioning within the framework of laws is of great importance. The concept of overwork is a concept that has been mentioned in the Labor Law regarding the implementation and functioning of the concept of work and it is regulated in our Labor Law No. 4857. In order to talk about overwork, a limited working time is required. In this context, upon determining the maximum number of hours a worker can work per week by drawing a limit on working hours in Labor Law No. 4857, overwork, which is the subject of work exceeding this period, is defined. Furthermore, the types of overwork that arise depending on the reasons for overworking, as well as the jobs that cannot be overworked, are regulated in the same Law.