Cat Ear Twitching While Sleeping. It is immediately followed by deep sleep, which is vital for a catu2019s well. Cats will twitch their ears if they detect a small movement or hear a faint noise.

Cats may do this in response to the itching, twitching feelings they experience under the skin. This may indicate that something is irritating their ears, such as mites or an ear infection. Involuntary muscle movements in cats are classified accordingly to their causes.