Sleep with your head elevated
Use a saline nasal rinse before bed
Use a humidifier in your bedroom
Drink warm fluids in the evening
Stay well hydrated during the day
Avoid dairy if it worsens your mucus
Avoid smoking and secondhand smoke
Avoid alcohol before bedtime
Use an over-the-counter antihistamine if allergies are the cause
Use an over-the-counter decongestant if appropriate
Use an over-the-counter nasal steroid spray as directed
Treat acid reflux if it is contributing
Gargle with warm salt water before bed
Use throat lozenges or hard candy before sleep
Keep your bedroom free of dust and allergens
Wash bedding regularly in hot water
Avoid eating large meals close to bedtime
See a doctor if the cough lasts more than a few weeks
Seek medical care if you have fever, shortness of breath, chest pain, or coughing up blood