Can working out eventually supress your hunger?

So I have been working out alot lately.. 1hour atleast 2x a day for the last 2 weeks and all of a sudden not only am I sleeping better,which I don't mind,but I also seem to have lost much of my appetite! I used to love eating and cooking and now,and I have no idea why,I don't feel much like eating and even my cooking has suffered. It's like I want to cook but nothing looks even remotely appetizing! Is it the working out?! I have heard it takes away craving after awhile but it's bugging me a little..I want to continue working out and losing weight but I'm worried maybe something is wring with me...help?!!