Secondly, it depends on many factors, such as the sanitary condition of quilts, the sanitary condition of others, the feng shui of your family, and the quilt that others have slept in. If the quilt has been used, cleaned and left at home, there is no problem. However, if the quilt has not been cleaned, or there are other people's sweat stains and body odor on it, it may affect your health. In addition, if the feng shui in your home is not good, it may lead to some unclean things in your home, so in this case, it is best not to use quilts that others have slept in.
Finally, I remind you not to be overly superstitious about Feng Shui, but to treat problems rationally on the basis of science.