Cat snoring can result from several different factors, ranging from simple anatomy to health conditions.
Anatomy
Cats have relatively narrow nasal passages and long, soft palates. As air moves through these structures, it can create vibrations that produce the familiar snoring sound.
Obesity
Overweight cats often carry extra fatty tissue around the neck and throat. This tissue can partially block the airway, making snoring more likely.
Allergies and Respiratory Infections
Allergies and respiratory infections can cause nasal congestion and inflammation, both of which can contribute to snoring.
Structural Abnormalities
Issues such as nasal polyps or a deviated septum can obstruct the nasal passages and lead to snoring.
Brachycephalic Breeds
Cats with short, flattened faces—such as Persians and Himalayans—are more prone to snoring. Their shortened nasal passages make it harder for air to flow freely.
Sleeping Position
Some cats snore more when they sleep on their backs or with their heads turned to one side.
Stress
Stress can cause throat muscles to relax and narrow the airways, which may also trigger snoring.