Up All Night

Do you ever have trouble sleeping? Steve Paulson does. And maybe you do too. How can something so simple be so hard — for so many people?

There is nothing fun about lying awake at 3 a.m. But in her book "Insomnia," writer Marina Benjamin argues for embracing it.

In interviewing hundreds of women, writer and journalist Ada Calhoun learned something startling: that her insomnia, which felt so personal and private, might actually be generational and gendered.