Cats that occasionally wet the bed may have a medical problem, such as a bladder infection, kidney disease, or other digestive issues. If your cat suddenly starts wetting the bed, it is recommended that you take her to the vet to rule out these issues. In addition, cats may wet the bed to express dissatisfaction or anxiety. For example, if you have recently changed your cat's diet or environment, he may wet the bed to show his displeasure. In this case, it is recommended that you try to return to your original diet and environment and contact your veterinarian or animal behaviorist for additional help.
In general, if your cat occasionally wets the bed, it is best to take him to the vet to rule out a medical problem and consider treating him with Work with an animal behaviorist to resolve possible behavioral issues.