This paper discusses the importance of the measurement and standardization research of sleep phenotypes,including the definition,classification,measurement process,and the current state of domestic and international research,as well as the significance of standardization research.Studies have found that sleep phenotypes are related to various physiological and psychological health issues and have a significant impact on disease diagnosis and treatment,cognitive function.Internationally,five sleep phenotypes have been identified,while domestic research focuses on the impact of digitalization on sleep,the construction of sleep monitoring platforms,and so on.The paper also introduces preliminary research on standardized measurement and future prospects.