Yarn is a good example of what not to let your cat sleep under. Loose or large threading on a blanket is easier for pets to have their claws or teeth stuck into them, and they may end up ripping or eating it. Overheating. A good sense of judgement should be used in this scenario. Do not worry too much as your cat can thermoregulate on their own.
One of the most comfortable sleeping positions is side-sleeper. In this position, the cat lies on its side and stretches out its arms in front. The paws may be curled upwards or resting gently on the ground. Cats are able to easily enter deep sleep using this position. Side-sleeping means that the cat is relaxed and comfortable in its environment.