How to get rid of bags under eyes?

Im only 13, so its probablly not wrinkles. I usually get around 8 to 10 hours of sleep every night, and i use an eye creme, but there is always 2 or 3 dark lines under my eyes. It also might be because I spend a lot of time outside in the the sun and I got badly burned this week. (right now my face is red and burns very bad and has little flakes of skin peeling off, and my eyes are red.) What should I do?????????