Whether it's curled up in the fetal position, flat on the stomach or stretched out across the bed, the way people sleep reveals their personality, a British sleep expert said.

睡眠评估咨询服务中心主任克里斯·伊济科夫斯基教授归纳出六种常见的睡眠姿势和它们的含义。他还是英国南部萨里大学的客座教授。