The reason why cats sleep next to pillows may be because cats naturally like warm environments. Pillows are usually warmer and softer than other places, providing a comfortable resting place, and cats enjoy this warmth and comfort. .

Of course, cats themselves are sensitive and suspicious animals. Their choice to sleep next to their owner's pillow may mean that they are concerned about The owner develops a deep sense of trust and desires a closer relationship with the owner. This is also a sign of the cat's dependence and love for its owner.