Why cant I go to bed at a normal time???

So I cant seem to get myself to bed at a normal hour and I feel like it is messing me up with this weight loss. Now I am still getting the 8 hours of sleep but I wake up super late because of that. So I go to bed at 2 in the morning and wake up at 10 in the morning. And by the time I wake up I feel really tired and out of it and it basically ruins my whole day because I feel like that the whole day and keep wanting to fall back asleep. Now this fatigue thing wouldn't be so bad if it didn't interfere with me exercising but it most definitely does interfere. I just can't muster up the strength and exercise. i thought food would be the hard part in this whole process but it's the exercise that's the problem. I hope that when I lose more weight I will have a lot more energy =) I just don't want to slow my progress down cuz i cant get ther exercise thing down. It's really weird for me to even be in this predicament, due to the fact that i was such an athlete back in the day. I lived and breathed sports, and hiking and bike riding. So I know its in me, I just need to wake it up, and soon =)

Food journal for today:
Breakfast- cream of wheat (made w/a cup of milk) w/two slices of organic wheat toast = 440 cals
Snack- String cheese= 80 calories
Lunch- 6 inch teriyaki sub on wheat with cheese = 410 calories
Snack- a 100 Calorie pack of Gold Fish = 100 calories ;)
Dinner-6 inch teriyaki sub on wheat with cheese = 410 calories

Total amount of calories for today = 1440..not bad =)