Brassica contains a certain amount of lecithin, pinealin, phosphorus and other substances, has a certain tranquilizing effect on sleep, especially for middle-aged and elderly people with poor sleep. However, cauliflower can only play an auxiliary role, only for daily dietary therapy, or the need for drug therapy, psychological intervention, etc.. The cauliflower contains more lecithin, which is a component of brain cells and can remove deposits in the arteries and promote blood circulation to the brain, providing the necessary blood and oxygen for sleep, which has a certain effect on sleep. In addition, the cauliflower contains a certain amount of pinealin, the substance can act on the body’s nerve center, to help improve the quality of sleep. Brassica can be used to cook or stew, to help sleep has some auxiliary effect. However, it is strictly forbidden to eat dried cauliflower directly, it needs to be soaked in warm or boiling water several times, cleaned up, cooked and then eaten to avoid food poisoning. Sleep disorder people in daily life can cultivate good eating habits, before bedtime try to drink less nerve-stimulating drinks, such as coffee, strong tea, functional drinks, etc.. During the day, you can do appropriate sports and keep a relaxed and calm mood. If necessary, medical treatment should be taken, and medication and psychological intervention can be applied under the guidance of a doctor.