Hi, I am 18 years old, 5 10" and 135 lbs. My problems right now is that I am having trouble sleeping at night. Its mainly because my hunger wakes me up, then I usually go eat something at like 2 in the morning. I play competitive tennis and am trying to gain weight, but no matter how much I eat, I can't get much muscle mass. Any suggestions on how to fix the sleeping disorder or how to possibly put on some weight in muscle?