Does mobile phone really have an impact on sleep pattern among medical students, tamil nadu?

Introduction: Mobile phone* has become one of the essential gadgets in day-to-day life. In recent years excessive usage had resulted in dependency*, sleep disturbance and psychological problems. Frequent use of mobile phone has also become common among the medical students.
Objective: The primary objective was to assess the level of mobile phone addiction among medical students. The secondary objectives were to determine the association between demographic factors and smart phone addiction, and to study the impact of smart phone* addiction on sleep pattern.
Methodology: The Cross-sectional study was conducted among the medical students studying in a medical college, Tamil Nadu. A self-administered questionnaire containing demographic profiles, mobile phone usage pattern, Smart phone Addiction Scale(SAS) and Pittsburgh Sleep Quality Index(PSQI) scale. The comparison was carried out between smart-phone addiction* and sleep pattern* to evaluate the impact.
Results: A total of 252(43.2%) males and 331(56.8%) females participated in the study. 65.2% of students were using the mobile phone for more than 2 years;54.7% were using in the night;53% were using for 3-6 hours per day. The SAS score results obtained through the Exploratory Factor Analysis with the Principal Component Method were Kaiser- Mayer-Olkin index= 0.860; Barlett’s test; chi square (528) = 4464.426; p= 0.0005. About 52.48% were found to be poor sleepers.
Conclusion: There was a significant relationship between smart phone addiction and sleep pattern among the medical students. This study had helped to understand the clinical consequence of excessive mobile phone usage and educating the students about the ill-effects.