The first regular red-eye bullet train with sleeping cars running from Guiyang to Beijing started operation on May 21, Xinhua reported.

The train, D940, left Guiyang North Railway Station at 7:21 pm and arrived at Beijing West Railway Station at 6:30 am the next day, cutting the travel time by nearly 16 hours.

Trains running overnight are popularly known as "red-eyes".

The ticket prices are 880 yuan ($134.5) for a soft berth and 709 yuan for a seat.

Passengers board the bullet train heading for Beijing at the Guiyang North Railway Station on May 21. [Photo/Xinhua]

A stewardess serves passengers in a cabin on the bullet train running from Guiyang to Beijing on May 21. [Photo/Xinhua]