Authors : Piyapatch Opasanon; Patarajida Amnuaychotthavee; Sopichta Phurmsap; Kunanon Tantiphatcharakul

Volume/Issue : Volume 11 - 2026, Issue 5 - May

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Google Scholar : https://tinyurl.com/2rha6evy

Scribd : https://tinyurl.com/ux5dhz2k

DOI : https://doi.org/10.38124/ijisrt/26May1933

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Abstract : The rapid growth of digital technology has significantly increased screen exposure among adolescents, particularly during nighttime hours. This study aimed to investigate the relationship between nighttime screen exposure, sleep disruption, cognitive function, and academic performance among adolescents. A cross-sectional survey was conducted among secondary school students using a structured questionnaire assessing screen-use behavior, sleep patterns, daytime functioning, and perceived academic effects. The findings revealed that 74.4% of participants used screens for more than 6 hours daily, while 67.9% reported using screens before bedtime every day.

Keywords : Screen Time; Sleep Disruption; Adolescents; Cognitive Function; Academic Performance.

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