According to statistics, about 90% of the elderly have experienced insomnia. Insomnia in the elderly mainly manifests itself in difficulties in falling asleep, easy awakening and increased number of awakenings. Insomnia in the elderly is mostly related to the following factors: a. Cerebrovascular and somatic diseases can interfere with sleep. Certain medical conditions are often the main cause of sleep disturbance, such as scratching disorder, cough, wheezing, pain, frequent urination, etc. Most elderly people have cerebrovascular disease, which causes insufficient blood supply to the brain and affects sleep. Second, psychological disorders often cause insomnia. Sleep disorders are often one of the first symptoms of certain psychological disorders. For example, depression is characterized by early awakening; dementia leads to reversal of circadian sleep patterns. Third, psychosocial factors also affect sleep. The major blow of losing a spouse or a child in middle age, the loss and anxiety about life after being laid off, the inability to adapt to the suddenly changed rhythm of life and living space after retirement, etc. all tend to cause insomnia in middle-aged and elderly people. Fourth, the sleep disorder caused by drug factors. Most elderly people take 5 to 9 kinds of drugs every day, some of which may cause insomnia, such as some anti-Parkinsonian drugs, antihypertensive drugs, etc. Fifth, the elderly physical activity and aerobic exercise significantly reduced, to a certain extent, the need for sleep is also reduced. Top 10 tips to ensure sleep 1. Look at sleep rationally. Do not worry too much about the temporary poor sleep and its impact on the body, the thought of sleep, will be conditioned to fear, the old thought must sleep well, but make it more difficult to fall asleep. 2, relax before going to bed, avoid strenuous mental and physical activities, as well as some stimulating events, to prevent the brain in a state of constant excitement, it is difficult to sleep. 3, to develop good sleep hygiene habits. Avoid drinking coffee and tea before going to bed; as well as drinking and smoking. 4, maintain regular exercise. 5.Cancel naps. 6.Wake up regularly no matter when you go to sleep. 7.Soak your feet in warm water before bedtime to promote blood circulation and facilitate sleep. 8, do not work in bed or watch TV. 9.If you lie in bed for more than 20 minutes and still can not fall asleep, get up and go outside the bedroom to watch TV or read, know that you feel sleepy and then go to bed. 10.Create a good sleep environment.