Productivity culture has turned 5 a.m. into a kind of moral test, as if success belongs only to those who beat the sunrise.

Do you ever find yourself wide awake while the rest of the world is still hitting snooze? If your internal clock has you up and at ’em before the sun, you might be part of an exclusive club. I’m one ...

Forbes contributors publish independent expert analyses and insights. Caroline Castrillon covers career, entrepreneurship and women at work. From Apple CEO Tim Cook to Vogue editor-in-chief Anna ...