It is recommended to know about the head-up mattress, which can realize supine correction of the spine. This is good. There are many modern low-headed people, which leads to many spinal problems. Lying on your back for a few hours is a simple way to keep your spine healthy.
After lying on your back, put the pillow high and lie flat-this is the same principle as the continuous reduction of pillow height in recent years.
Only in this way can the health of the whole spine be protected. Please refer to!