<![CDATA[Adolescence is a critical developmental period during which mental health is associated with various psychosocial and behavioral factors, including social support, sleep patterns, and physical activity. This study examined the relationships between these three factors and mental health among 60 participants aged 12–24 years. A quantitative correlational design was employed, and data were collected using an online questionnaire distributed through social media. Linearity, normality, and multicollinearity tests were conducted before multiple linear regression analysis using SPSS. The instruments demonstrated acceptable reliability, with Cronbach’s alpha values ranging from 0.726 to 0.762. Pearson correlation analysis revealed a moderate, statistically significant positive association between sleep patterns and mental health (r = 0.563, p < 0.001) and a weak, statistically significant positive association between social support and mental health (r = 0.304, p = 0.018). Physical activity was not significantly associated with mental health (r = 0.016, p = 0.901). The multiple regression model was statistically significant, F (3, 56) = 9.161, p < 0.001, and explained 32.9% of the variance in mental health (R² = 0.329). Sleep patterns were the only statistically significant individual predictor (β = 0.534, p < 0.001). These findings indicate that sleep patterns had the clearest independent statistical association with mental health in this sample, whereas social support and physical activity were not significant independent predictors after controlling for the other variables. Larger and more diverse samples are needed to confirm these findings.]]>
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