The Impact of Smartphone Addiction on Bedtime Procrastination and Sleep Quality Among Medical Students in Chennai: A Cross-Sectional Study

Sleep is a crucial component of overall health , cognitive function and academic performance .In recent years , smartphone addiction has emerged as a significant factor contributing to betime procrastination and sleep disturbances,yet there is limited research specifically addressing its impact on medical students.Several studies suggest that excessive smartphone use, particularly before bedtime, disrupts sleep by delaying sleep onset , reducing sleep duration .Bedtime procrastination , defined as the voluntary delay of sleep without external obligations , has also been identified as a growing issue among young adults, further exacerbating sleep deprivation.

Understanding the relationship between smartphone addiction, bedtime procrastination, and sleep quality is essential for developing targeted interventions to improve sleep , this study is justified as it seeks to

Quantity the impact of smartphone addiction on bedtime procrastination and sleep patterns

Identify behavioral patterns contributing to sleep deprivation among medical students.

provide evidence -based recommendations for promoting better sleep hygiene in this high -risk group.this finding could also inform awareness programs , policy recommendations and behavioral interventions aimed at reducing smartphone related sleep disturbances among medical students