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People will be scared in the dark when they are waked up with a start at midnight due to accidence, such as an earthquake or an electric power. Therefore, there are three big fundamental elements of this product’s design, including: 1 .LED light 2. The medical concept of the best sleeping condition: the temperature of brain going down as the temperature of feet going up. 3. Refraction of light on the water.
Putting it between the pillow and head facilitates lowering the temperature to achieve the best physical condition as sleeping; moreover, the LED light applies the principle of refraction to enlarge the area of illumination.
Ling Tung University