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Beyond Poor Sleep: Behavioral Correlates of Excessive Daytime Sleepiness and Academic Performance in Undergraduate Medical Students from Southern India: A Cross-sectional Study

Preethi Ashok Masali, Siddalingaiah HS

Indian Journal of Sleep Medicine 2026 Vol. 21(4), pp. 143-151
https://doi.org/10.5005/jp-journals-10069-0205

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چکیده

Aim and background: Excessive daytime sleepiness (EDS) is reported far less often than poor nocturnal sleep quality in Indian medical students.We aimed to estimate EDS prevalence and its independent correlates (primary), and to compare these with poor sleep quality correlates in the same cohort and relate both to examination performance (secondary).We hypothesized that sleep hygiene behavior, not global sleep quality category, would dominate.Materials and methods: Prospective cross-sectional study of 354 of 450 eligible MBBS students (78.7%) at a Southern Indian college, sampled by stratified proportional randomization.Under supervised standardized administration, they completed the Epworth Sleepiness Scale (ESS; EDS >10), Pittsburgh Sleep Quality Index (PSQI), and Sleep Hygiene Index (SHI), with screen time, stress, mood, lifestyle, clinical covariates, and the latest university examination percentage.Excessive daytime sleepiness correlates were examined by logistic regression with a pre-specified confounder-adjusted sensitivity model.Results: Excessive daytime sleepiness affected 21.5% [95% confidence interval (CI) 17.5-26.0],more often among poor than good sleepers (27.7% vs 18.6%).Adjusted [area under the receiver operating characteristic curve (AUC) 0.773, 0.714-0.832],only poorer sleep hygiene remained independent [odds ratio (OR) 1.12 per point, 1.07-1.18],unchanged after adjustment for all measured confounders (1.12, 1.06-1.17).Examination percentage did not differ by sleep status (67.33 ± 5.16 vs 68.07 ± 5.72; p = 0.229); academic stage and sex, not sleep, predicted marks (R² = 0.152).Conclusion: In this cross-sectional sample, EDS was associated more closely with sleep hygiene behavior than with global sleep quality category, and the two had distinct correlation profiles.Screening for sleepiness alongside sleep quality, and addressing bedtime device use, merit consideration in student health services.These are associations only; no direction of effect can be inferred.Clinical significance: Measuring EDS alongside global sleep quality identifies a partly distinct at-risk group, for whom brief counselling on bedtime device use may be more specific than generic sleep hygiene advice.

موضوع‌ها و کلیدواژه‌ها

دانشجویانسلامت روانEpworth Sleepiness ScalePittsburgh Sleep Quality IndexSleep Hygiene IndexSleep qualityacademic performanceexcessive daytime sleepinessmedical studentssleep hygiene

ارجاع

Masali, P. A., & HS, S. (2026). Beyond Poor Sleep: Behavioral Correlates of Excessive Daytime Sleepiness and Academic Performance in Undergraduate Medical Students from Southern India: A Cross-sectional Study. Indian Journal of Sleep Medicine, 21(4), 143–151. https://doi.org/10.5005/jp-journals-10069-0205

(Masali & HS, 2026)

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گفت‌وگو

قوانین پرسش و گفتگو
  1. با احترام و بدون توهین، تحقیر، برچسب‌زنی یا حمله‌ی شخصی با دیگران گفتگو کنید.
  2. از نوشتن هرگونه اطلاعات هویتی یا قابل‌شناسایی مراجعان، بیماران یا اشخاص ثالث، از جمله نام، شماره‌ی تماس، تصویر، نشانی، محل کار یا جزئیات منحصربه‌فرد پرونده خودداری کنید.
  3. اگر درباره‌ی یک تجربه‌ی بالینی سؤال می‌کنید، اطلاعات را تا حد ممکن بی‌نام و کلی بیان کنید تا امکان شناسایی فرد وجود نداشته باشد.
  4. این بخش برای یادگیری و گفت‌وگوی علمی است و جایگزین ارزیابی، تشخیص، مشاوره یا روان‌درمانی شخصی نیست.
  5. در شرایط بحران یا خطر آسیب به خود یا دیگران، به این بخش اتکا نکنید و برای دریافت کمک فوری با اورژانس اجتماعی ۱۲۳ یا صدای مشاور بهزیستی ۱۴۸۰ تماس بگیرید.
  6. انتشار تبلیغات، معرفی خدمات شخصی، شماره‌ی تلفن، شناسه‌ی شبکه‌های اجتماعی، پیوند تبلیغاتی یا درخواست جذب مراجع در این بخش مجاز نیست.
  7. در بیان ادعاهای علمی، به‌ویژه درباره‌ی اثربخشی درمان‌ها، تشخیص یا یافته‌های پژوهشی، تا حد امکان نام منبع معتبر، مقاله یا راهنمای علمی را ذکر کنید.
  8. از ارائه‌ی تشخیص قطعی، تجویز درمان یا دارو و توصیه‌های بالینی شخصی به سایر کاربران خودداری کنید.
  9. پاسخ‌هایی که کارشناسان فکر بنیان می‌دهند با برچسب «پاسخ فکر بنیان» یا «کارشناس فکر بنیان» نمایش داده می‌شوند و سایر نوشته‌ها بیانگر نظر کاربران هستند.
  10. گزارش نوشته‌ی نامناسب: اگر نوشته‌ای حاوی نقض محرمانگی، محتوای آسیب‌زا، توهین، تبلیغ یا تخلف از این قوانین است، گزینه‌ی «گزارش» را انتخاب کنید تا تیم سایت بررسی کند.

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