Katie Pettine gave the world a look inside her unique job: An eight-hour night shift feeding, burping and changing a newborn's diapers – all while the parents get uninterrupted rest. The 23-year-old's ...

When Alex Johnson and her husband are on an outing with their kids and a diaper needs to be changed, she almost always ends up handling the job. Not because she likes changing diapers more than her ...