Sometimes they'll march in four hours later and demand food, or disappear into a quiet room and render themselves unconscious in a matter of seconds. There is a question about whether cats really sleep at all. Just that, a little ear twitch, but you know that the rest of the body is not nearly as relaxed as it seems. [...] I called him, which I never do because calling a cat is a chump’s game. A “poncho” is a serape-like garment often worn against the rain. No welcoming little ritual; in fact, one had to be quick in bed to claim a spot, because Pancho, once settled, is hard to move. [...] it is a pleasure to watch a cat sleeping on a bed. [...] makes me feel better, now that there’s some autumn in the air. Maybe it makes Pancho feel better, too — although, as always, one never knows. “You might as well say,” added the Dormouse, which seemed to be talking in its sleep, “that 'I breathe when I sleep’ is the same thing” as jcarroll@sfchronicle.com