The reason why ancient people like to use ceramics or wood as pillows is that it does have some benefits to the body, such as helping the spine of ancient people and keeping their hair styles. Actually, it is also used as a police pillow. Nowadays, pillows used by people are generally filled with cotton or some Chinese herbal medicines, instead of directly using wood or ceramics as pillows. In that case, people will panic and stay awake at night. But in ancient times, hard pillows were generally used. The poor usually make pillows out of stone or wood. Some rich people may use jade or even some expensive things to make pillows as a symbol of their status. Anyway, the ancient people widely used hard pillows actually had many functions.

The reason why the ancients used ceramics or wood as pillows was because it was helpful to the spine and kept their hair style. In ancient times, in fact, they had their own way of keeping in good health. The reason why they didn't panic when using the hard pillow is because they used the hard pillow since childhood, and finally formed a habit, and they think that as long as the height of the hard pillow is appropriate, they can fit the spine well, and if they are integrated, they can fight against some cervical problems. But modern people are used to using soft pillows, so it is not recommended to use hard pillows. In that case, it will increase the pressure on the spine and cause stiff neck. In addition, the hard pillow can keep the hairstyle. In ancient times, both men and women had the habit of keeping their hair long, so that their hair styles were not easy to be messed up, and they also played a role in radiating heat.

The reason why ancient people like to use ceramics or wood as pillows actually has a small function, that is, as police pillows. Its use is actually very simple, that is, it is applied to those poor students. In order not to doze off while reading, they use pebbles or wood as pillows so that they won't fall asleep easily. However, due to the invasion of foreign culture, hard pillows have gradually disappeared, because everyone likes to sleep with soft pillows. Now most museums are hard pillows, because only ceramics are easy to preserve.