Bean skin, mung bean skin, cassia seed ..... as pillows until old eyesight. There are all kinds of pillows among the people, most of which aim at "clearing fire" and "removing heat". Now pillows are more and more widely used in medical care, such as "magnetic therapy pillow", which has certain curative effect on neurasthenia, insomnia, headache and tinnitus. A kind of "cervical pillow" is very popular in America and Hong Kong. Sleeping on this pillow can completely relax the muscles of the neck, shoulders and skull base and eliminate the fatigue of the day. At present, Japan has also developed a "fitness pillow", which can continuously release energy like an oscillator, promote human blood circulation and metabolism, and play a hypnotic role, so as to better play its role as a sleep tool.
Quilts first appeared in primitive society. At that time, the weather was colder than it is now. People covered their bodies with usable coverings, especially animal fur.