There will be bacteria when cats sleep on the bed, but if it is a domestic cat, the bacteria it carries will not have an impact on humans. There is no problem sleeping on the bed. If it is a wild cat or a stray cat, the bacteria it carries may have an impact on humans. , it is best not to sleep on the bed or go to the hospital for examination and clean it before sleeping on the bed. Before sleeping with a cat, you need to confirm whether you are allergic to cat hair to avoid causing discomfort.