When we don't sleep well, we can eat more nuts, fruits, milk, honey and red dates, which are all helpful to sleep. Nuts are the most common nuts, including melon seeds, peanuts, almonds and walnuts. Nuts are rich in tryptophan, which helps to improve. But when we don't sleep well, we can eat more nuts, fruits, milk, honey and red dates, which are all helpful to sleep. Nuts are the most common nuts. Nuts are rich in tryptophan, which helps improve sleep. Fruits, such as kiwifruit, bananas, apples, etc. , rich in vitamins, B vitamins and minerals, eating fruit also helps sleep. Milk and warm milk contain tryptophan, which helps to calm down. Drinking a cup of hot milk before going to bed at night can help us fall asleep quickly.