Procrastination is a widespread habit that has been understudied in the realm of health
behaviors, especially sleep. This study aimed to examine the cross-sectional relationships
between procrastination and multiple dimensions of sleep in a large national sample of US
adolescents and young adults. A random sample of 8742 students from 11 US universities
provided self-reports of procrastination (measured by the General Procrastination Scale-
Short Form with scores ranging from 1 to 5) and sleep behaviors including social jetlag (the …