Patients who feel that they cough during the day but do not cough at night may have a cough caused by allergies, which can be stimulated by exposure to irritating gases or allergic substances when they go out during the day, or by taking allergic foods that irritate the throat and airways. It is necessary to pay attention to a light diet and avoid irritating foods, as well as to take precautions and observe. If you continue to have a cough, it may also be caused by inflammatory infections of the respiratory tract, a heavy workload during the day, not getting a good rest, there is also a great impact of exertion, you need to pay attention to rest and avoid overexertion. If the symptoms are more serious, you can go to the hospital for a checkup, mainly to rule out coughing due to heart or other causes.