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With the rapid development of science and technology, social competition becomes more and more fierce, and work pressure becomes more and more intense. The problem of sleep has become a disease of modern civilization, and in order to alleviate sleep problems and improve sleep quality, related research methods are constantly updated, and there are more and more ways to address these problems. In this paper, we propose a dynamic assisted sleep light that adjusts the color temperature, illuminance, and frequency of change by controlling the backlight of the smart mobile device, so that the user experiences an improved quality of sleep. In this study, the methods of subjective questionnaire survey and non-subjective physiological parameter measurement were adopted for analysis. The results showed that the continuous use of the light source could continuously enhance the user’s delta energy during sleep and promote the improvement of sleep quality.

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