Sleep medicine is one of the new and leading branches of medical knowledge. During the past two decades, it has got a special position in the countries' health programs due to the development and identification of more effective diagnostic and management methods, and the identification of the adverse consequences of overlooked sleep disorders on the community's health. It is included in many countries' health programs in industrialized and developed countries such as the United States, South American countries, Australia, Europe, and China.
Sleep disorders with a variety of more than 80 types of diseases constitute complicated, high-risk, and costly diseases that affect the public health system. The prevalence and adverse consequences of these disorders could be reduced by implementing sleep health and appropriate preventive measures. Furthermore, it should be noted that if patients with these disorders are diagnosed correctly and on time, there would be effective management modalities in the world and the country (1). This letter had explained the importance of sleep health and its association with non-communicable diseases, associated consequences, and the urgent need to pay attention to sleep health and sleep disorders in the public health system.