Hello!! Recently, I've Been Extremely Exhausted. I've Tried Vitamins And

Hello!! Recently, i've been extremely exhausted. I've tried vitamins and even changed my diet, but nothing seems to be working. I go to bed between 8:30 and 9:30 on a daily basis and wake up at 6 am and that doesn't help much either. My boyfriend has complained that i am snoring pretty loud these days. Do you have any ideas as too why i am so tired. What are some things i can do to increase my energy. PLEASE HELP!! thanks :-)