Due to the difficult process of social transition associated with the end of adolescence, this may create complications. For example, the issue of anti-social conduct in teenagers, as well as disagreements with parents, often result in conflict, ties of solidarity that may result in hazardous hazards and emotional illnesses such as stress, excessive anxiety, and depression. Anxiety disorder is a kind of emotional illness that may develop in late adolescence as a result of psychosocial causes. In which late adolescents react to stresses in an inappropriate and accurate manner. Anxiety disorders may impair the development of teaching and learning, since they lead people to suffer information processing distortion. The purpose of this study was to evaluate the impact of excessive worry on the prevalence of sleeplessness in late teenage adolescents. The researchers will conduct an analytical observational study using a cross sectional design. Teenagers with anxiety were classified as having no anxiety by 71 individuals (88.8 percent), mild anxiety by 8 people (10.0 percent), and moderate anxiety by one person (1.3 percent ). According to the classification of insomnia, there were 48 individuals (60.0 percent) in the severe group, 18 teenagers (22.5 percent) in the very severe category, and 14 adolescents (17.5 percent) in the moderate category. There is a link between anxiety and the prevalence of sleeplessness in late teenage teens.