The Sidetracked Sleeper (1917)

Rupert Winslow, traffic superintendent of the railroad that employs Helen as operator at Lone Point, receives a telegram stating that his wife, who is ill, will be on the midnight express. He calls in Summers, a veteran brakeman on the passenger run and instructs him to watch over Mrs. Winslow and to sidetrack her sleeper if she requires medical attention.

Unfortunately the movie The Sidetracked Sleeper is not yet available on HBO Max.