Many people think that they can choose pillows for themselves at will in a supermarket, and it is not always correct. When people select pillows, they should consider the following factors: a pillow’s height, softness, excellent permeability and elasticity. Neck is an important part of a body, and it is very fragile.
According to a research , a healthy man or woman changes its postures 20-45 times during the eight hours of sleep. The softness of the pillow is very important, while too soft pillows are not conducive to the blood circulation.