Introduction: The situation of drug consumption in university students shows an alarming trend, and, delving into the prevalence of sleep disorders, it has been proposed as a research objective to evaluate the statistical association between sleep disorder and the consumption of legal and illegal drugs in the region. Method: descriptive, observational, quantitative, cross-sectional, quantitative study, which contemplates as population the university students of the Lambayeque region. The variables considered were: sex, age, university of origin, year of studies, professional school, alcohol consumption, tobacco consumption, marijuana consumption and sleep disorder. The ASSIST v3.1, Pittsburgh Sleep Quality Index, Epworth Sleepiness Scale and Insomnia Severity Index questionnaires were taken into account. Results: a final sample of 355 students was taken. Fifty-five point two percent of t...