Sleeping with a tickling cough in the throat, mainly associated with environmental factors stimulation, allergic pharyngitis, respiratory diseases and so on. 1. Environmental factors stimulation: such as more dust in the bedroom, can cause some stimulation of the body’s nose and throat, triggering itchy throat, cough and other manifestations. 2. Allergic pharyngitis: the symptoms of itchy throat and cough should also consider the possibility of allergic reactions. If the bedding has not been cleaned and sterilized for a long time, there are some mites on the bedding. If you are allergic to mites, you can trigger this disease. 3. Respiratory diseases: when rhinitis, pharyngitis, tonsillitis and other diseases persist, due to the relative decrease in the secretion of the throat at night, or open-mouth breathing leads to the dryness of the mucous membrane of the throat, the patient appears to have a tickle in the throat, coughing symptoms. In addition, this symptom may also be related to other factors such as reflux pharyngitis and lung diseases, so it is recommended to consult a doctor in time and follow the doctor’s instructions to carry out a systematic examination for a clear diagnosis.