Question

what is meant by sleepers​

Answer 1

In 1877, Joseph Monier, a French gardener, suggested that concrete reinforced with steel could be used for making sleepers for railway track. Monier designed a sleeper and obtained a patent for it, but it was not successful. Concrete sleepers were first used on the Alford and Sutton Tramway in 1884.

Answer 2

Sleeper are the wooden rod fixed between the two tracks of railway.