When low-cost air carriers crowded European skies, railways phased out their long-haul, overnight lines. But as travelers fret about passenger jets’ carbon emissions, they’re hitting the rails again, OZY reports — and sleeper lines are coming back. Austria’s national rail company is leading the charge, with 17 percent of 2018 sales from overnighters, while Swiss, Dutch and British carriers are looking to fluff up their pillows again.

Does that mean it’s full speed ahead? Despite the convenience these trains offer, analysts say their revival is still a “mixed picture,” noting how key nations France, Germany and Spain have yet to wake up to the demand.

Sourced through Scoop.it from: www.ozy.com