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.

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

在中国，古人过小年有“官三、民四、船五”之分：北方地区多受官方文化影响，选择在腊月二十三庆祝小年；南方远离政治中心，倾向于腊月二十四过小年；而一些渔家，则会在 腊月二十五 过小年。