The reason for not snoring in the past and now snoring in sleep: one, is obesity, with the growth of age, metabolic slowdown leads to fat, fat will make the throat space becomes smaller, resulting in the previous sleep not snoring now snoring in sleep, this situation after physical exercise to reduce weight, will be significantly improved. Second, the previous sleep does not snore now sleep snoring can also be seen in the problem of sleep posture, especially poor sleep posture, side sleep, pillow too high pillow, or prone sleep can lead to snoring situation. This is because of localized problems in the throat, such as localized occupancy of the throat, swelling in other parts of the throat, etc., resulting in a smaller ventilation space in the throat, which can lead to snoring, and this situation should be checked by the ENT department when necessary.