Sleep with your head elevated
Use a humidifier or cool-mist vaporizer
Drink warm fluids before bed
Gargle with warm salt water before sleeping
Take throat lozenges or hard candy if safe for you
Use a saline nasal spray if congestion is causing mouth breathing
Avoid smoking, alcohol, and irritants before bed
Keep the room air comfortably cool and moist
Take over-the-counter pain relief if appropriate for you
Rest on your side if that feels more comfortable
Sip water during the night if you wake up dry
Avoid heavy meals right before bed
Seek medical care if you have trouble breathing, drooling, severe swelling, or high fever