রাতের স্লিপার ট্রেনে কনডাক্টররা আপনার পাসপোর্ট সংগ্রহ করে রাখতে পারে যাতে আপনার ঘুমের ব্যাঘাত না হয়। The previous text is in Bengali. Here is a translation to Vietnamese:
Trên những chuyến tàu đêm, người bán vé có thể sẽ thu lại hộ chiếu để bạn không bị đánh thức giữa giấc ngủ.