Keep your bedroom air humid with a humidifier
Drink warm fluids before bed
Stay well hydrated throughout the day
Avoid smoking and secondhand smoke
Keep away from dust, strong perfumes, and other irritants
Sleep with your head slightly elevated
Use saline nasal spray if you have postnasal drip
Treat allergies as directed by a doctor
Avoid eating heavy meals late at night
Limit caffeine and alcohol in the evening
Use throat lozenges if needed before sleep
Take prescribed cough or allergy medicine as directed
Keep bedding clean and free of dust mites
Breathe through your nose instead of your mouth
See a doctor if the cough lasts more than a few weeks