Mostly people have a habit of eating more or they are hunger after some time. I think first you have to take complete check up from doctor and know why you hunger after some time. Use fat and protein foods items. Take properly rest. DO regular exercise in the morning fr 30 mints to control body weight. If you eat more and burn less calories then the result is over weight. Use juices after every 2 hours it help to keep energy during whole day.