Correlation between Blue Light Exposure on Digital Devices Screens and Sleep Quality of Students in The Faculty of Medicine, Universitas Sumatera Utara Class 2019
DOI:
https://doi.org/10.32734/sumej.v6i2.11051Keywords:
Blue Light, Gadget, Radiation, Sleep QualityAbstract
Abstract.
Introduction: The use of information and communication technology facilities such as cellphones, laptops, computers, and other information facilities is really needed, we knew that increasingly sophisticated digital device has so many features contained in it, such as games, internet, social media and others. With this advanced feature we can overcome problems such as loneliness, boredom, and problems that may reduce a person's productivity. However, the digital device does not only have the positive side, one of the negative sides it has is the blue light emitted from the screen of the device. From several previous studies it was noted that blue light has an impact on sleep quality, as we already know sleep quality is one of the foundations of health. Objective: The aim is to determine the relationship between blue light exposure on digital device screens and sleep quality, knowing the level of blue light exposure and sleep quality of medical faculty students at the Universitas Sumatera Utara class 2019. Methods: This research is an analytical study with a cross-sectional design, namely a type of research in which the measurement of the variables is carried out simultaneously at one time. Results: Of the 150 study subjects, there were 64% women, 36% men. Age, 1.30% were 19 years old, 18.70% were 20 years old, 58% were 21 years old, 20% were 22 years old, 2% were 23 years old. Blue light exposure, bad 94%, good 6%. Sleep quality, bad 87.30%, good 12.70%. The relationship between blue light exposure and sleep quality obtained p-value <0.01 and coefficent r is 0.663. Conclusion: there is significant relationship between blue light exposure on digital screen device and sleep quality of student of the faculty medicine, Universitas Sumatera Utara, class 2019.
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