You can try to ease attacks nocturnal cough during treatment. Try to drink as much milk or warm tea - liquid coats the fabric softens them and makes them less severe cough. A cup of warm broth will give you a deep sleep at least a few hours.
If the attack is still started, it can be stopped. Take a glass of milk, add the teaspoon of butter and boil. Now add the milk a little pinch of baking soda. Drink the mixture until it is hot. This tool will allow you to sleep peacefully. If the attack is so strong that you just boil the milk can not, then have a drink plain warm water - any liquid will be able to calm the night time cough.
If your cough is caused by allergic reactions, swelling of the airways, you should take an antihistamine before bedtime ("Suprastin", "Loratadine", "Tavegil") - they will remove swelling and prevent spasms. Before taking you should consult with your doctor - he will prescribe a daily dose and mode of administration.
If the cough is dry night, then you should try taking expectorants that you should appoint a doctor.
Very useful is the decoction of pine needles, which need to breathe steam. Before going to bed inhale or just cook the broth and place a container with him beside the bed. Inhalation of the vapor lift spasms of the airways and stop the attack.