Older people with poor sleep can eat protein-rich foods, such as milk; soybeans contain tryptophan, an important component of serotonin, can make people relax and fall asleep quickly; there is millet, corn also contains tryptophan, which helps to relax and help sleep. In addition, magnesium also has a sedative effect. If the body is deficient in magnesium, it is easy to cause insomnia, magnesium-rich foods such as coarse vegetables, kelp, mushrooms, nuts and fruits. Chinese medicine believes that walnuts can also treat neurasthenia and insomnia and dreaminess. Poor sleep in the elderly is related to many factors such as age, disease, psychology, environment and living habits. Some influencing factors can be avoided, for example, you can sleep 1-2 hours before bedtime, pay attention not to drink coffee, strong tea, do not smoke, and also before bedtime do not read books, TV and movies that can stimulate interest. Do not look at cell phones, chat, videos, etc., before bedtime, and do not eat too much food, drink a lot of water, do not do strenuous activities, keep the room quiet, light and temperature should be appropriate. Try to control your thoughts, do not think about random thoughts, etc. Now a popular method called meditation, you can also test, usually have a disease to diagnose and treat; to live and study regularly, correct bad habits in a timely manner. Develop the habit of having three meals a day at regular intervals, and eat less food that is too oily, too sweet and too salty in order to reduce the burden on the stomach and intestines and avoid affecting the rhythm of the biological clock. A good diet is a stabilizer for the normal functioning of the body’s biological clock, and adjusting the biological clock is a free therapeutic medicine to promote early recovery, so insomnia should be regulated with a correct lifestyle.