What is another word for sleeping car?
Pronunciation: [slˈiːpɪŋ kˈɑː] (IPA) 
A sleeping car, also known as a sleeper, is a rail vehicle equipped with sleeping accommodations for passengers. Other synonyms for sleeping car include Pullman car, berth car, and overnight car. Pullman car was originally a brand name of luxurious sleeping cars made by the Pullman Company. Berth car refers to the sleeping compartments, often with fold-down beds or bunks, provided for passengers. Overnight car emphasizes the function of the car as a means to travel overnight, often in contrast to day coaches or commuter trains. These synonyms all refer to the same type of rail transportation and are often used interchangeably.
