<![CDATA[Poor sleep has become an important public health issue among university students, given its association with reduced cognitive functions and academic productivity. Caffeine intake in students has been identified as one behavior associated with poor sleep. In this study, we assessed the relationship between pre-sleep caffeine behaviors and sleep disturbances in students enrolled at Universitas Pendidikan Indonesia (UPI). The study involved a cross-sectional survey using a questionnaire administered to 125 students from UPI containing 25 questions about their pre-sleep caffeine consumption behaviors, sleep habits, perception of their sleep disruptions, and functioning levels. Quantitative data were analyzed using the correlation approach, while qualitative data supplemented the results of the analysis. There was a significant positive correlation between caffeine disturbance of pre-sleep relaxation with pre-sleep sleep disruptions (rs = .553; p < .001), sleep difficulty frequency (rs = .266; p = .003), and sleep onset latency (rs = .191; p = .033). Furthermore, there was a significant positive correlation between sleep difficulties and lack of concentration/efficiency (rs = .435; p < .001). The findings indicated that caffeine intake during the evenings was associated with sleep onset latency.]]>
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