有些患了咳嗽病的人,喜欢在睡前服用止咳药,认为这样可以防止夜间咳嗽,影响睡眠。其实这种做法不好。止咳药之所以能够止咳,是因为它能作用于呼吸道感受器官和感觉神经末梢,抑制咳嗽反射。虽然止咳药止住了咳嗽,但它造成了呼吸道中痰液的潴留,容易阻塞呼吸道。人在不入睡的情况 Some people who suffer from cough, like to take cough medicine before going to bed, that this can prevent nighttime cough, affecting sleep. In fact, this approach is not good. Cough suppositories are able to cough because it acts on respiratory sensory organs and sensory nerve endings and suppresses cough reflexes. Although the cough stopped cough, but it caused respiratory tract retention of sputum, easy to block the respiratory tract. People are not sleeping