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December 8, 2025BMJ OpenOpen Access

Screen time and sleep problems in South Indian preschoolers: a community-based cross-sectional study

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Authors

MRMuthukumar RajamohanKRKarthik Narayanan Ramaswamy

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Overview

Cross-sectional study reveals screen time affects sleep issues in preschool children, indicating potential interventions.

Key Points

  • To assess the prevalence of sleep problems in children aged 2–5 years in South India and their association with screen time.
  • Population-based cross-sectional study conducted in rural and urban South India.
  • 523 children aged 2–5 years selected via simple random sampling.
  • Sleep problems assessed using a validated screening tool; sociodemographic and behavioral factors examined.
  • ROC analysis used to identify the optimal predictive screen time threshold.
  • 39.6% of children reported sleep disturbances.
  • Most common problems included irregular sleep (22.2%) and bedtime resistance (20.8%).
  • Strong associations found between sleep problems and excessive screen time.
  • Optimal screen time cut-off identified as ≥2.4 hours per day for predicting sleep problems.

Cite This Study

Rajamohan et al. (2025) studied this question.

synapsesocial.com/papers/693624ad4fa91c937236c5a7https://doi.org/10.1136/bmjopen-2025-109376
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  4. 4O053 Exploring the screen-sleep connection in preschoolers using wearable cameras2025
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