DJs play thumping sets inside tiny taco joints as the fruity smell of shisha drifts past Turkish barbers and trendy crowds gather outside arthouse cinemas. Across the Elbe river, Dresden’s New Town has a completely different atmosphere to its historic core. Thanks to a new night train connection, this Bohemian east German enclave has never been more accessible. Launched earlier this year, the Good Night Train by Belgian-Dutch start-up European Sleeper takes you from Brussels to Dresden in around eight hours. I tested out the route on my return trip back to England. Here’s how it compared to fl…