1, grapes are very rich in vitamins, can enhance the body's immunity. Grapes are also very rich in melatonin, which can play a role in helping to whiten the skin when sleeping.

2, bananas, eat bananas before going to bed can moisten the large intestine, can help the next morning to get up and discharge stools. If for frequent constipation or poor sleep, you can eat a banana an hour or so before bedtime to help you sleep, and can help defecate.

3, apples, eat apples before bedtime, which mineral elements and unsaturated fatty acids, can regulate blood pressure, blood fat, and improve the degree of atherosclerosis. Vitamins are also able to activate cell metabolism, at night time can promote metabolism, so that the body is full of strength in the morning. But try not to eat again an hour before going to bed, because it will increase the burden on the gastrointestinal tract.