When sleeping, is the pillow too high or too low harmful to human body? Is it right to rest easy?

Too high or too low is not good, too high is easy to affect the cervical spine, too low is easy to dizziness and muscle weakness.

The idea of rest easy is not scientific at all, and we can't think so. High pillow can easily induce cervical diseases, even affect sleep quality and cause more diseases. The pillow for sleeping must not be too high.

When sleeping, the height of the pillow should be about 3-9 cm, not too high.

Some people like very low pillows, but human blood is flowing, and the weight of the head accounts for a large proportion of the human body. When the pillow is low, the blood will gradually concentrate on the brain, but it will not promote sleep, but will be dizzy. And the blood flow is slow, leading to muscle weakness.