Relevant research shows that "sleepless" is the body's alarm to the elderly.
Warning one: heart disease
As the "headquarters" of the human body, the brain always commands and coordinates all the activities of the human body. Because the oxygen and nutrients needed by the brain are mainly supplied by the blood pumped from the heart to the brain (1 / 5 of the blood emitted by the heart every time the heart contracts flows to the brain), the normal metabolism of the brain is closely related to the contractile function of the heart. In general, when the elderly's cardiac contractile function is weakened, the brain will appear hypoxia phenomenon, and the performance of elderly brain hypoxia in the nervous system is often "can't wake up". Therefore, if the elderly often appear "sleep can not wake up" symptoms, it shows that the systolic function of the heart may have problems, can suffer from heart disease.
Warning 2: cerebrovascular disease
If the cerebral blood vessels of the elderly have sclerosis, atrophy, or lipid deposition, the permeability of blood-brain barrier will be reduced, which will lead to the phenomenon of hypoxia and ischemia in brain tissue. Over time, the elderly will suffer from cerebral infarction, cerebral atrophy, cerebral thrombosis and other cerebrovascular diseases. In the process of the above-mentioned cerebrovascular diseases, cerebral ischemia and hypoxia will lead to people always unable to wake up (including changes in sleep frequency and sleep time). Therefore, if the elderly always can not wake up, we should be alert to the occurrence of cerebrovascular diseases.
Warning 3: chronic diseases
If the elderly suffer from chronic glomerulonephritis, diabetes, chronic liver disease, hypothyroidism and other chronic diseases, the metabolic rate will gradually decrease, resulting in the body's toxic metabolites can not be smoothly discharged from the body, and then affect the regulatory function of its autonomic nerve, making it appear all day "sleepless", sweating and other symptoms, at this time, should be timely to the hospital To see if you have any chronic diseases.
Elderly people in the emergence of sleepless symptoms, if timely treatment for the cause, can greatly improve the physical condition.

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