If you’ve ever felt like the world operates by different rules in the middle of the night, these stories will confirm it.

Train and bus drivers, doctors and carers, employees in companies where machines run around the clock: In many industries, people work in shifts. Some start early in the morning, or at midday. Others ...

Working through the night can put a toll on your body and overall health. More than 9 million adults in the United States work shifts at night, according to the U.S. Census Bureau. There are many jobs ...