Is sleeping pillow good or low? What advantage does pillow have? What harm is there?
Normal sleep, either supine or side, will cause the cervical physiological state changes, so that some local neck muscle tension. In the course of time, the neck muscles will occur easily, contracture, make cervical vertebra position changes, caused by nerve root and neck vascular irritation or oppression, reflex spasm, and even cause insufficient blood supply to the brain, neck, shoulder, back, have arm pain or dizziness, headache, tinnitus, nausea, eyesight, hearing loss etc. symptoms.
Sit back and relax point of view is extremely dangerous. The medical director Professor Li Zhiguang said, to maintain the normal physiological state of cervical sleep, can make the skin, neck muscles, ligaments, intervertebral joints and through the neck of the trachea, esophagus and nerve tissue and the whole body to relax and rest.
Security is one of the common causes of stiff neck, cervical spondylosis. In addition, nothing will make the point of the chest and neck increased, tracheal ventilation blocked, easy to cause dry throat, sore throat and snoring. Nothing can make the chest and back muscles long-term tension, chest compression, interferes with normal breathing, this will bring adverse effects to the body. Normal people go to pillow, long-term sleep low pillow, the same will change the physiological state of the cervical spine. For the intravenous valve head, gravity can make the cerebral venous return flow slow, arterial blood supply is relatively increased, thus the emergence of the first rise, irritability, insomnia and discomfort, especially low pillow has adverse effects on hypertension and atherosclerosis patients.
Generally speaking, people with high blood pressure, heart disease, asthma, people need to sleep; the risk of hypotension, anemia is a need to sleep low pillow. Pillows too high or too low are bad for your health. Then the normal people, the height of the pillow how high is appropriate? General knowledge: habitual supine
