Academic Procrastination is an alarming phenomenon in education sector nowadays. It would be a big obstacle in the learning process especially for high school students. The aim of this research is to understand the influence and relationship between the interest of doing physical exercises and psychological well-being to procrastination. The population of this research were 355 students of XI grade of SMAN 1 Muntilan.Using purposive sampling, 101 students were obtained as the sample. Data analysis technique using product moment correlation and linear regression with the interest in doing physical exercises (X1) and psychological well-being (X2) as independent variables, and procrastination (Y) as the dependent variable. The results show that almost all of students (80%) have a trend to do academic procrastination. This is shown by 67.3% of students having moderate procrastination and 16.8% of students having high procrastination behavior. There is a negative correlation between the interest in doing physical exercises and psychological well-being with procrastination, where the correlation coefficients are −0.554 and −0.164, respectively. A negative correlation can be interpreted if an increase in one variable is associated with a decrease in another variable in this context, namely when the physical exercise and psychological well-being variables increase, there is a decrease in students' tendency to engage in procrastination behavior. Meanwhile in regression analysis with 5% significant level shows only interest of doing physical exercises that significant influencing procrastination with p-value = 0.000.