As more operators catch on to the demand for overnight trains, Metro has rounded up six of the most scenic sleeper journeys ...

The Venice Simplon Orient Express is the "grand dame of sleeper ... is "ideal for train travel", said The Telegraph. And it's "still quite an odyssey" to leave Milan, "one of Europe's grandest ...

Copenhagen-based 21st Europe has slammed the continent's 'fragmented, uneven and often slow' rail services ... seamless connection," it added. "Milan to Munich, a slow and winding route today ...