I don’t think there’s a sleeper train between Gdańsk and Kołobrzeg. It’s too short a journey, and it’s not on the way to anything. AFAIK, the sleeper trains sta

I don’t think there’s a sleeper train between Gdańsk and Kołobrzeg. It’s too short a journey, and it’s not on the way to anything. AFAIK, the sleeper trains start from Gdańsk (or actually, Gdynia Główna, which is not far away), and then head south to Warzawa, Kraków, Wrocław, etc.