That's too funny. We haven't had that problem with Duke, but then, that could be because he's at our feet all the time!
Our cat, Phoebe, doesn't meow so she's been locked in many rooms and closets. One time we realized she had been in the front closet all day, since we had taken out our jackets that morning. When I found her, she just yawned, stretched, and acted like nothing was amiss