Coughing in bed may be caused by physiological phenomena, but also may be caused by pathological reasons, such as bronchitis, allergic asthma, reflux esophagitis and other causes, the specific causes need to go to the hospital to determine the examination.
1. Physiological phenomenon: poor indoor air circulation, drier, lower ambient temperature at night, may stimulate the mucous membrane of the throat, resulting in a strong cough at night.
2. Bronchitis: bronchitis may be caused by cold and other causes of the body’s immune system, pathogens invasion caused by the main symptoms of cough, fever, coughing up phlegm, etc., sleep due to positional changes, the bronchial phlegm can not be discharged, the atmospheric airway stimulation, which appeared in the sleep on the symptoms of coughing.
3. Allergic asthma: allergic asthma is mostly caused by environmental factors and genetic factors. When sleeping at night, the vagus nerve excitability of the human body increases, which will make the smooth muscle of the bronchial tubes contract, so that the sensitivity of the respiratory tract increases, thus causing the symptom of coughing in bed.
4. reflux esophagitis: reflux esophagitis is mostly caused by acid or alkali reflux and esophageal mucosal breakdown, at night when lying down, gastro-esophageal reflux will increase, will cause irritation to the mucous membrane of the pharynx, leading to coughing at night aggravation.
There are many reasons for coughing a lot in bed, you should go to the regular hospital in a timely manner, a comprehensive examination, under the guidance of the physician reasonable treatment, do not self-medication, so as not to cause serious adverse consequences. At the same time, you should drink more water and keep the indoor environment moist.