The case for sleeper trains replacing air travel is very much a European thing.1 Flight shame (flygskam) is reducing demand for air travel, and European distances are such that overnight trains are feasible. At one point it looked like the combination of high-speed rail and budget airlines would doom European night trains, but that trend seems to be reversing itself: ÖBB’s Nightjet service is expanding in the face of soaring demand, and other operators are planning to reintroduce sleeper trains.