This cross-sectional study examined associations between social jetlag (SJL), screen exposure, and attention-deficit/hyperactivity disorder (ADHD) symptoms in university students. A sample of 321 young adults (mean age = 20.9 years, SD = 2.3; 257 females) was surveyed to assess various behavioral and psychological variables. Measures included total screen time on both workdays (school days) and free days, pre-sleep screen time, SJL as determined by the Munich Chronotype Questionnaire, symptoms…
