托马斯·S·穆拉尼是斯坦福大学中国历史教授,古根海姆奖学金获得者。他是《中文打字机：一部历史》、《研究始于何处》和《与国家达成共识：现代中国的民族分类》的作者。 返回搜狐，查看更多 ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.