1, instant noodles it contains too much fat, salt and preservatives, especially not good for children. 2, fried food fried food high-calorie food as a midnight snack, the possibility of gaining weight rose to more than 95 percent. 3, gas-producing foods sweet potatoes, chestnuts, although good nutrition, but is the “gas-producing king”, eaten after the inactivity immediately to sleep, the gas in the child’s abdomen left and right, will not let him sleep. 4, full-fat milk full-fat milk or high-fat extra thick milk milk can help sleep and good, but the problem is that the fat in the night snack is very easy to accumulate in the body, the child is also so, so before going to sleep drink low-fat milk or skim milk is good. 5, chocolate snacks chocolate snacks or candy this type of food in the cocoa component can easily lead to excitement, not beneficial for a peaceful sleep.