During work, fatigue occurs, which manifests itself in a decrease in the functional abilities of workers to perform work in a safe manner. In view of this fact, the legislator, on the basis of the Labor Act, prescribed the types of rest and leave that a worker has the right to use under certain conditions and under certain circumstances. Holidays, according to the periods of their use can be divided into: vacation within one working day (break), vacation between two working days (daily vacation), rest after a certain number of days spent at work (weekly rest) and rest after a certain number of months spent at work (annual leave). In addition to the above, the legislator also prescribed the right, ie the possibility for workers to use paid and unpaid leave. Namely, it i san institute of labor law that does not represent sick leave or annual leave. The purpose of this paper is to clarify and analyze the rights of workers to use vacations and holidays, and thus to indicate on the importance of use or hazards at work that may occur in the event of their non-use. According to the topic of work, the responsibility of the employer in case of denial of workers rights has been elaborated.