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.

In the hospital, where their family member lay gravely ill, the relatives gathered in the waiting room. Finally, the doctor came in looking tired and somber. "I'm afraid I am the bearer of bad news," ...

The sixth day of the first lunar month marks the end of the most important traditional Chinese festival, the Spring Festival. On this day, people celebrate the "Day to Send Off the Spirit of Poverty" ...