<![CDATA[Abstract The menstrual cycle is a physiological process influenced by various intrinsic and extrinsic factors. Sleep quality is one factor that can affect menstrual cycle regularity, as sleep disturbances can disrupt circadian rhythms and the regulation of reproductive hormones. Conversely, excessive gadget use is associated with disruptions in sleep patterns and quality. This study aimed to determine the relationship between sleep quality, duration of gadget use, and menstrual cycle irregularities among female students at SMAN 8 Jambi City. A cross-sectional study design was employed. The sample consisted of 83 female students selected via simple random sampling. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI) questionnaire, while menstrual cycle regularity and the duration of gadget use were measured using questionnaires. The results indicated a significant relationship between sleep quality, gadget use, and the menstrual cycle (p<0.05). Conclusion: Sleep quality and gadget use are significantly associated with the menstrual cycles of female students at SMAN 8 Jambi City. Keywords: Sleep Quality, Gadget Use, Menstrual Cycle]]>
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