What should I do if I keep coughing and can't sleep

Cough has been unable to sleep should be appropriate drinking water points, to ensure that the throat moist, control the room temperature at about 27 degrees, do a good job of body warmth; also need to consider is caused by bronchitis, so you can go to the hospital respiratory department to do blood routine, bronchoscopy, if diagnosed as bronchitis, you can take cough to sputum antiasthmatic drugs for treatment.