If you snore a lot in sleep, accompanied by drooling, it is usually due to the following reasons: 1, belong to the plant nerve dysfunction, usually in people with plant nerve dysfunction sleep is not sufficient, and the quality of sleep is not good, at this time there will be snoring, accompanied by drooling symptoms appear. 2, snoring during sleep, accompanied by drooling, also related to the lack of oxygen in the body, usually arterial oxygen saturation is insufficient.