What kind of train is the night mail?

The Night Mail is a type of overnight passenger train that operates on specific routes, primarily in the UK. It is designed to transport mail and parcels, along with passengers, during the night, allowing for efficient travel and delivery. These trains typically feature sleeping accommodations for passengers, ensuring a comfortable journey while facilitating the timely movement of goods. Night Mail trains have historical significance, often symbolizing the connection between urban centers and remote areas.