This study was conducted to evaluate the influence of media devices on sleepquality in adolescents. Applying a descriptive design, the study was carriedout with 9th, 10th and 11th grade students (N=392, 52.0% female, averageage 16.04±0.86) who were attending Konya High School between the datesof January 18 and 22, 2016. Changes were seen to occur in the wake-uptimes of those who had either a television or a computer in their bedrooms(p
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