InterCity Sleeper was the collective name for overnight sleeper train services run by British Rail between London and Scotland, Cornwall, Wales, and Northern England in Great Britain. Services were not provided in Northern Ireland.
History
When the railways came into public ownership in 1948, British railways inherited a number of night train services from The Big Four. Sleeping car services were operated on the West, East coast routes and GWR mainlines to multiple destinations, that were, but not limited to London Paddington to Birkenhead Woodside, Manchester Piccadilly to Plymouth, Liverpool Lime Street to London Euston and Night Ferry sleeper from London Victoria to Brussels and Paris.
The first sleeping car train on the Great Western Railway was introduced at the end of 1877 from London Paddington to Plymouth. This had broad gauge carriages with two dormitories, one with seven gentlemen's berths and the other with four ladies' berths. These were later replaced in 1881 by new carriages with six individual compartments.[1]