U.S., May 15 -- ClinicalTrials.gov registry received information related to the study (NCT06969599) titled 'A Cross-sectional Study on the Correlation Between Screen Usage and Sleep and Cognition in Medical Students' on April 28.

Brief Summary: The aim of this study is to investigate the effects of screen use within one hour before bedtime on sleep quality and cognitive function in medical graduate students, and to verify the mediating effect of sleep quality between the two. The study adopted a cross-sectional observational design and planned to enroll 508 full-time medical graduate students. The primary endpoints were evaluated using the Pittsburgh Sleep Quality Index (PSQI) and standardized cognitive tests (N-back, ANT, etc.), while sec...