Given the noise disruption and lack of legroom of a long-haul flight, many travellers are curious to try a night train to ensure a better night’s sleep. With proper beds and eco-credentials, sleeper trains certainly seem conducive to drifting off peacefully. So how do Europe’s night train services compare and which is best for dozing undisturbed? Here’s what traveller reviews on TripAdvisor and other websites say about sleeping on a sleeper. The small cabins on the Venice Simplon Orient Express are worth itIt may be the big-budget option, but the Venice Simplon Orient Express boasts glowing re…