Three of the most interesting facts about cats: they sleep almost throughout his life; when they do not sleep, they come up with a plan how to enslave the world; when they do not sleep and do not come up with how to enslave the world, they are looking for a warm place to warm up.
In confirmation of the third paragraph, look at these pictures: they prove that cats will do anything to disrupt this Holy the third paragraph.
There’s no sun? The radiator will come down. There is no radiator? The fireplace is also very suitable. Or oven. Or a stove. Or a heating battery. Well, at worst, and a laptop will do: any and all source of heat.