【盘点宠物与主人的10种同床睡姿】你家“主子”是哪一种？[偷笑] Peter Neville, a British animal behaviorist, conducted a study of 2,000 dog and cat owners and found that two-thirds let their pets sleep in the bed. The research revealed the 10 most common human-pet sleeping positions, which sheds light on these furry creatures' personalities. For example, knee-nuzzling pets are submissive while the "superhero" is protective.