Digiday: “We don’t have a culture that honors or prizes the 2 a.m. email,” Huffington Post editorial director Danny Shea said. “It’s actually shamed here.” The site’s founder and namesake Arianna Huffington, a self-proclaimed sleep-evangelist, is adamant that an employee who gets eight hours a night is a more productive employee. She’s so big on sleep that she’s writing a book on its virtues, due out next year.