Abstract
Objective: To assess the quality of sleep in medical students using Pittsburgh sleep quality index
 Methods: This observational, cross sectional study was conducted on 419 undergraduate medical students of Azra Naheed Medical College, Lahore. Google survey form consisting of two components, demographics and PSQI scale was used to collect data. Data were analyzed using Statistical Package for the Social Sciences (SPSS) version 20.0. Chi-square test was applied for statistical significance and p-value <0.05 was considered significant.
 Results: Of the 419 students, 220 (52.5%) were females and 199 (47.5%) were males. Out of them sleep impairment was documented in 298 (71.1%) of medical students. Overall, 96% students used electronic gadgets just before going to sleep. Significant impairment of sleep was reported between year of medical school and PSQI. Sleep impairment was highest among first year and final year students 85.5% and 71.8% respectively.
 Conclusion: Sleep quality in medical students is impaired and more so in the first and final year of medical school.
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