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Impact of online classes, screen time, naps on sleep, and assessment of sleep-related problems in medical college students during lockdown due to coronavirus disease-19 pandemic

Ruchir Khare, Jitendra Mahour, Raman Ohary, Shailesh Kumar.


Background: The blue light emitted from the screens of smartphones, tablets, and laptops (short wavelengths enriched devices) is known to suppress/delays endogenous circadian melatonin release. This is can lead to increase in evening alertness, sleep latency, and timing of rapid eye movement sleep.

Aims and Objectives: This study aims (1) to assess the effect of screen time and naps on sleep of the students and (2) to study the sleep problems among students and asses the student’s perspectives about the online classes during lockdown period.

Materials and Methods: The study was by providing questionnaire online to the 1st year MBBS students. The information about naps and screen time of students during college days and lockdown period, sleep problems faced during lockdown period, and student’s perception about online classes was also recorded.

Results: A total of 760 students enrolled in the study. Six hundred and fifty-three (85.9%) were taking nap during lockdown period. Four hundred and thirty (56.6%) reported to have faced sleep problems during lockdown period. Six hundred and fifty-five (86.2%) preferred classes in lecture theatre as better method of teaching as compared to online classes. Four hundred and eight students reported that the screen time has increased during lockdown due using electronic gazettes for entertainment and attending online classes. The screen time increased and higher percentage of students were taking naps during lockdown.

Conclusion: It can be concluded that the time spent by students in front of screen has increased nowadays which could have adverse effect on sleep health. To avoid negative impact of naps on nocturnal sleep, the naps must be restricted in terms of duration and frequency.

Key words: Nap; Online Education; Screen Time; Sleep Problems

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