I've been waking up during the night with a sore throat. i have red bumps in the back of my throat almost constantly. what's could be my problem?

More info: first question is how long have you been experiencing throat pain every night? is this days, weeks, months? it's possible you have an infection -- both viruses and bacteria can cause sore throats, and even allergies can cause drainage and discomfort. are you having other symptoms? Fever, cough? regardless, important to stay hydrated and if the air is dry make sure no extra fans.

Mouth breathing?...: You could be doing an excessive amount of mouth breathing and/or snoring causing the tissues to dry out and become inflamed. What is the humidity level of your sleeping area? You may benefit from a humidifier. Nasal strips may help open nasal passages and help reduce tendency to breathe through the mouth. Proper hydration may help also,,, drink plenty of water throughout the day.