Is it good to use the pillow?
Sleeping without a pillow is bad for your health.In human life, 1/3 of the time spent in sleep, and only sleep well, in order to have sufficient energy to work, study. And sleep can not be separated from the pillow, the choice of pillows is also learned, if not suitable, not only affect sleep, but also affect the health of the passage of time.There are 4 bends in the human spine, and only the normal curve of the spine can keep the body strong. The normal curvature of the human cervical spine is about 10 - 20 cm, which can be adjusted automatically when standing, and can only be maintained by pillows when sleeping. "Sleep without any anxiety" this idiom is used to describe The world is at peace. and some people misinterpreted it, the pillow is high on the pillow cause generally high habits, and even some still use the old square into the wood, hard and high; there are no pillow logs or pillow sleep, these are not for the great damage on the neck of health, long-term will cause cervical syndrome.
If you do not pillow at night, the head is lower than the heart, the blood flow to the head increases, and the blood vessels in the head will be congested
The benefits can be corrected body shape and the shape of the spine (back to sleep, but can let you sleep with a pillow) of the brain to get better rest, because with a pillow when reducing the pressure on the brain blood pillow has important effect on human health.
