The spine is a form of vertebrae and intervertebral discs. It is located in the middle of the back, and the spine is attached to the skull, and the middle is connected to the ribs, and the lower end and the hip bones form the pelvis. There is a longitudinal spinal canal inside the spine, which has a spinal cord. The main reasons of cervical vertebra disease have improper physical exercise, improper posture, bad sleeping habits or improper bedding, long-term chronic inflammation of the throat, the body catch cold, psychological, genetic, occupation and other factors. And the first three are most common. However, the most obvious one is the third reason, which is that bad sleep habits or bedding doesn't fit you, so you may sleep ill without knowing it. In general, an adult sleep 6 to 9 hours a day, and almost 1/3 of a person's life is spent in bed, so it is very important to choose a good mattress and keep a good sleeping posture. It can provide a strong support to...