The reasons why cats drool while sleeping:

1. When cats have oral diseases such as gingivitis and dental calculus, they will cause oral secretions while sleeping. Increases leading to drooling.

2. If the cat has kidney disease, such as renal failure, it will cause an electrolyte imbalance in the cat's body and cause drooling.

3. When a cat suffers from acute gastritis, the stomach will be irritated, causing the cat to drool while sleeping.

4. It is also possible that the cat has taken some kind of medicine that causes it to be stimulated and drool while sleeping.

5. It is also possible that the cat’s body lacks niacin. Niacin is a type of vitamin B, which can also cause cats to drool while sleeping.

Solutions to cats drooling while sleeping:

1. If it is caused by oral disease, clean the cat’s mouth in time and treat the inflammatory parts in a timely manner.

2. If it is caused by kidney disease, you should go to the hospital for examination in time and cooperate with the doctor to regulate the kidneys.

3. If it is caused by acute gastritis, stop eating immediately, and the cat can take anti-inflammatory drugs to relieve symptoms.

4. If it is caused by drug stimulation, you can let the cat have a good rest and let it metabolize and recover on its own.

5. If it is caused by a lack of niacin, the cat should be supplemented with vitamin B in time to solve the problem.