To get a restful sleep, it is recommended to take the following foods: First, you can drink hot milk before going to bed. Milk is rich in tryptophan, which helps to improve sleep. Second, you can drink some millet porridge before going to bed, millet porridge also contains tryptophan, which helps to improve sleep. Third, you can eat some lotus seeds, lily of the valley, also helpful for sleep. Fourth, you can also eat sour dates, to improve sleep is also helpful. Fifth, you can also take drugs made from Chinese medicines, such as date palm tranquilizer granules, sweet dream capsule, Fuming capsule, Wu Ling capsule, all made from Chinese medicines, is also helpful to improve sleep.