[Mood and sleep quality in Peruvian medical students during COVID-19 pandemic]

The prolongation and consequences left by the covid-19 pandemic generate an uncertain and devastating panorama in many populations, evidence shows a high prevalence of mental health problems in medical students.

The study's aim was to evaluate the association between mood disorders and sleep quality (SQ) in Peruvian medical students during the COVID-19 pandemic.

A cross-sectional study was performed on 310 medical students from a private university in Peru. The SQ was measurement through the Pittsburgh Sleep Quality Index (PSQI), while mood disorders were evaluated through the Depression Anxiety and Stress Scale - 21 (DASS-21). All information was collected by online surveys and then analyzed in programming language R.

The SQ results measured by PSQI were bad in 83.9% of the medical students. In the Poison regression analysis, the results of the bivariate analysis in men show that all mood disorders found the prevalence of bad SQ, however, in the multivariate analysis only stress (PRa: 1.30; 95% CI 1.08 - 1.57; p <0.01) and anxiety (PRa: 1.34; 95% CI 1.09 - 1.56; p <0.01) increased the prevalence of poor SQ. Women had a similar pattern in bivariate analysis, whereas in multivariate analysis, only severe stress (PRa: 1.15; 95% CI 1.01 - 1.29; p <0.05) increased the prevalence of poor SQ.

This study allows us to observe the consequences that the COVID-19 pandemic is leaving in medical students in Peru. And so it disclosed are a vulnerable population to poor quality of sleep and a bad mood, which in the future will impact on health. It is suggested to educate medical students about the importance of proper sleep hygiene and the consequences of poor sleep hygiene practices.