Entire volumes have been written about the subject of infant sleep getting babies to sleep, keeping them asleep, making sure their sleep environment is safe. One topic of continued debate among parents is co-sleeping, or bed-sharing, a common practice in countries outside the U.S. Fueled by increasing evidence, however, more pediatricians and sleep experts are dissuading parents from sharing a bed or a bedroom with their babies, recommending instead that babies be allowed to learn how to fall asleep and stay asleep on their own.