The notion that cats prefer solitude is a myth. Cats enjoy human company. So, what is the implication when they want to sleep with us? Cats sleep, on average, for around 15-20 hours a day.

"Some people don't want their dog in bed because it disrupts their sleep, triggers allergies, or they just prefer their own space," Erickson says. "Behavior also plays a role. Some dogs may start ...