Eating instant noodles in the middle of the night will not make you fat, but it is not recommended to eat instant noodles in the middle of the night frequently. Instant noodles are usually made up of fried pasta, seasoning packets, oil packets, and a small amount of vegetables, which are higher in calories compared to ordinary noodles, but eating instant noodles in the middle of the night occasionally generally does not lead to obesity. It is not recommended to eat more, a large number of consumption of instant noodles will aggravate the burden on the stomach and intestines, easy to lead to stomach upset, but also may make the accumulation of calories, leading to obesity. If you want to not get fat, it is recommended to control the diet, such as developing the habit of regular meals, try not to eat snacks, but also to develop a regular work and rest, to ensure adequate sleep, but also with sports, swimming, jumping rope and other aerobic exercise.