A sleeper bus, also known as a night coach or sleeper coach, is a type of bus that is designed with sleeping facilities for passengers. It is commonly used for long-distance travel, particularly overnight journeys. The interior of a sleeper bus typically features bunk beds or individual sleeping compartments, providing a comfortable and private space for passengers to rest during their journey. These buses often have other amenities as well, such as air conditioning, curtains or blinds for privacy, reading lights, and charging points for electronic devices. Sleeper buses are popular in many countries as they offer a convenient and cost-effective option for overnight travel.