Japanese and Italian researchers have proposed a method to get crying babies to fall – and then to stay – asleep in just 13 minutes. The keys, it turns out, are to calm them by putting them in motion, and not to lay them down too soon after they’ve fallen asleep. Here’s what to do: Holding the infant close to their body, parents should carry the infant around at an even pace and without abrupt movements for about five minutes, the research team reports in the US-based scientific journal Current Biology. When the infant has fallen asleep, they should sit down with the infant in their arms for a…