不少老年人醒后总感到口干舌燥,甚至舌体不够灵活,言语不利,饮水后渐渐缓解,这到底是不是病呢?一般来说,此情况不属于病。一些老年人进入睡眠状态后往往自然地把口张开,用鼻与嘴同时呼吸,空气从口中进出,即感口舌干燥甚至难忍而醒。这种由张口呼吸导致的口舌干燥仅仅发生于睡眠后,醒后嘴自然本能地闭合,即使不饮水、口干舌燥也会慢慢地消失。睡眠中张口呼吸的现象,多发生于三种老年人身上:一是睡眠有打呼噜习惯者,必然张口,口鼻同时呼吸;二是有慢性支气管炎、 Many elderly people wake up always feel thirsty, and even the tongue is not flexible enough, speech is not good, gradually ease after drinking water, which in the end is not a disease? In general, this is not a disease. Some seniors often naturally open their mouths when they are asleep, breathe in the nose and mouth at the same time, and air flows in and out of their mouths. This dry mouth caused by mouth breathing occurs only after sleep, wake up naturally instinctively closed mouth, even if you do not drink water, dry mouth will slowly disappear. Open mouth breathing during sleep, occurs in three elderly people: First, sleep snoring habit, inevitable mouth, mouth and nose while breathing; the second is chronic bronchitis,