...sure that his basket is never against a wall; a tell-tale sign of dampness will only appear after a long time. We all know how well (and long!) cats sleep. They are more difficult to accommodate than dogs as they prefer to change their sleeping place ... regularly. As with dogs, give them their own basket, even if they do not use it all the time. Make sure though, that they do not choose the top of a heater or sleep too close to an open fire. In cold weather cats shelter in the strangest of places. One of ... our cats favoured the engine compartment of our car. There is always the possibility that a wild cat may do the same with yours, so always give a thud on the bonnet before you start the car.