MAKING THE SOUNDS OF LIFE
MORE MEANINGFUL

The best way to work
together on a project

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Á¦¸ñ Smart Sleep Assitant Lamp








Children struggle to fall asleep by themselves because of their physiological characteristics. Therefore, re-search has been carried on various devices (such as a smartphone) to assist in improving the sleep quality of children. However, all such devices need to be controlled by parents and do not have functions for monitoring the sleep environment. In this paper, a smart sleep-lighting system that includes a sleep-lighting device and a smartphone dongle is developed to improve the sleep environment of children. The temperature, humidity, and luminance of the sleep environment are monitored and analyzed by the sleep-lighting device to control multi-color light and audio components. The colored light emitted by the multi-color light can be ad-justed to improve the sleep atmosphere. Also, the audio component can play white noise to induce sleep. In addition, parents can use a smartphone dongle with a multi-channel wireless communication method to monitor and control one or more lighting de-vices in different locations in real time. For environmental monitoring, average difference between proposed device and commercial sensor from chamber setting temperature 15 ¡ÆC to 35 ¡ÆC was 0.588 ¡ÆC ¡¾ 0.10 ¢ªC, and average error value of the humidity measurement was 0.74 % at 40% ~ 60 % RH. Also, the manufactured sleep-lighting device shows good performance in multi-color light emission, and playing of white noise. As result, the smartphone connected to the proposed smartphone dongle enables monitoring and control of the proposed lighting device in a wireless well. The manufactured sleep-lighting device has a high-precision temperature and humidity sensor and a lumi-nance sensor that can accurately monitor the sleeping environment. The lighting device can play white noise to induce sleep in children. Also, a multi-color LED light is operated via a smartphone application to improve the sleep atmosphere. The measured data will be sent to the lighting device and processed together with sleep environment data in order to improve the sleep quality. Additionally, the final system will be tested for real end-users with clinical experiments by sleep research center of a university hospital.