Stroke is a major health threatening disease that causes physical paralysis, speech impairment, cognitive impairment and mental depression, and is characterized by high incidence, recurrence, C and S death rates. According to the World Health Organization, one person dies every 6 seconds from stroke or permanent C. In recent years, the incidence of stroke in China is on the rise, and about three-quarters of patients lose their ability to work or live on their own to varying degrees, causing a heavy burden to families and society. Around 4:00 am – 6:00 am is the high incidence of stroke because of the high blood lipids inside the blood vessels at this stage and the slow speed of blood circulation. Some people worry about getting up at night to go to the toilet, they will deliberately control the number of times they drink water, or even do not drink water, which will raise the blood viscosity at night, and it is easy to have an accident. Try to drink 200 ml of water before going to bed, can dilute the blood viscosity, after getting up to drink 200 ml of water on an empty stomach can not only dilute the blood, but also achieve the effect of beauty and detoxification. Reminder: Stroke prevention remember the “6 points” “domestic and foreign prevention and control experience has confirmed that stroke is preventable and controllable. Specifically, in daily life should bear in mind 6 points: 1, reasonable diet. Eat a light diet, more vegetables and fruits, and less animal offal. The daily salt intake per person should not exceed 5 grams, use limited cooking oil, reduce the intake of foods high in oil and sugar, and drink enough water. 2.Measure exercise. To aerobic endurance exercise, such as walking, jogging, swimming, tai chi and other sports. Exercise to prevent overexertion, excessive force. 3, weight control. Overweight, obese people should actively reduce weight. 4, overcome bad habits. Quit smoking and limit alcohol, avoid sedentary, long-term late-night habits. 5, regular physical examination. It is recommended that people over 40 years of age have a cervical vascular ultrasound to assess the risk of stroke and to detect problems for early diagnosis and treatment; patients with atrial fibrillation (AF) or valve replacement surgery should be treated with anticoagulation; people with hypertension, diabetes and dyslipidemia should take medication as prescribed by the doctor to control blood pressure, blood sugar and lipids at target levels. 6, pay attention to weather changes, maintain emotional stability, avoid tension and strain. The elderly should also avoid changing position too quickly and actively prevent constipation to prevent accidents caused by forceful defecation.