There is no such thing as “eating oranges before going to bed”. You can eat oranges in moderation every day. Oranges are sweet and juicy, but also very nutritious, mainly containing water and carbohydrates. They also contain vitamin C, carotene, vitamin B, vitamin P, pectin, calcium, phosphorus, potassium and other substances. Each 100 grams of oranges contains 47 calories, of which 51.1 grams of carbohydrates, 0.8 grams of protein, 0.2 grams of fat, vitamin A27IU, vitamin C33 mg, calcium 20 mg. It is worth mentioning that oranges contain a certain amount of dietary fiber, fiber is conducive to intestinal peristalsis, constipation patients can appropriately increase their intake. You can eat a moderate amount of oranges every day, but it is not advisable to eat more, it is easy to exceed the caloric intake, causing problems such as overweight, while diabetic patients can not eat more, and you need to brush your teeth after eating oranges before going to bed.