Long-distance rail journeys are making a comeback. Not only are they among the most eco-friendly modes of transport, many include the best 5-star dining and luxurious sleeper cabins that would rival the finest hotel rooms. From cinematic journeys through the Andes to ultra-modern trains in Japan and magical winter scenes on the Orient Express, here’s our pick of the world’s best sleeper trains where you’ll embrace the journey as much as the destination.