Sleeper trains are gaining popularity across Europe, with booking platform Omio reporting an 8% year-on-year increase in bookings, NightJet up 15%, and EuroNight up 26%. The most-searched corridors cluster around Berlin, Amsterdam, Prague, Paris, and Sint-Gillis, with top routes including Berlin–Prague and Amsterdam–Berlin.
Beyond the popular routes, several lesser-known city pairs are now connected overnight. The Sofia–Istanbul Express links Bulgaria's capital to Türkiye's transcontinental city in a 10-hour journey, with a double sleeper costing €15 per person and a single €35. Tickets must be bought in person at stations in Sofia or Istanbul Halkali.
Berlin and Budapest, nearly 900 km apart, are connected by the ÖBB Nightjet in a 12-hour ride with 16 stops across Czechia and Slovakia. A one-way sleeper cabin in September starts at €223 per person, including a prepared bed, private washing facilities, and breakfast.
Brussels and Prague are linked by the European Sleeper, offering seats, couchettes, and sleeper cabins for up to three people. The Comfort Standard fare from Bruxelles Midi to Praha hl.n. in September starts at €—, with breakfast included only in the Comfort Plus class.