When sleeping, the tongue is not close to the upper jaw, will the airflow impact the upper jaw?

First, we need to know; When sleeping; Lips closed and tongue slightly close to forehead are the healthiest sleeping positions; If; When sleeping; The lips are not closed and the tongue is not attached to the forehead; What's the impact? First; The upper part of the forehead is the most sensitive place to produce saliva; This place is dry and will have an impact on the health of the spleen and stomach; Second; If the lips are not closed; The tongue does not stick to the forehead; Air will enter the throat directly from the mouth; Encounter cold and moisture; Can cause throat inflammation; It will also affect the effect of sleep. So; Never mind what happens after sleep; Keep it before going to bed; Lips closed, tongue slightly on the forehead; This is a good phenomenon.

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Jugua Street; Kaiyang; The eight-character fortune teller changed his name to Feng Shui.