Doesn't matter that you work nights. Your goal is still the same: eat healthy and drop some fat. To do that you need to eat every 2-3 hours. Each meal should have a carb and a protein. Your first meal should be within an hour after waking.
Carb and Protein Meal Ideas:
Chicken and Veggies
Cottage Cheese and Berries
Protein Shake and Banana
Tuna on Crackers