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Impact of television on sleep habits

Television is the most widespread communication system of modern society, however, excessive television viewing have long-lasting adverse effects on health. The objective of this study was to investigate the impact of television on sleep behavior of human population of Chhattisgarh, India. The study have been conducted on 2105 individuals from remote (without electricity and television), rural, and urban areas. The rural population was further divided in two groups (i) people having electrical facility but no television and (ii) people living in houses with electricity and television. In urban area, all the subjects had electricity and television. Hours of television viewing and different sleep parameters were evaluated with the help of questionnaire. Excessive daytime sleepiness (EDS) was quantified by Epworth Sleepiness Scale. People living in rural and urban area having access to television reported shorter sleep duration with change in sleep–wake time and higher level of sleepiness during daytime as compared to people living with only electrical facility. On the other hand, the sleep duration of the people living in remote area is significantly higher with lowest EDS (p < 0.01). It was also noticed that the time spent for viewing television decreases with age, and increase in EDS is associated with the hours of television viewing (p < 0.01). Further, television was found to increase sleep dissatisfaction with delayed sleep–wake time (p < 0.01). From the findings of the present study, it can be safely concluded that sleep impairment is increasing in general population due to television watching.