When I (Kate) studied in Rome, our professor told us not to cast aside the traditional Italian riposo, the extended lunch break/nap time common in Southern Italy and other countries where it’s too hot midday to be productive and healthy. “Eat a ham sandwich and take a nap,” was his advice to us, or, if we felt a little cranky, two ham sandwiches. It was, he explained, a way to wring even more out of our brief stay in Italy: to have due giorni in uno, or two days in one. (Or two sandwiches in one.