Some of the main line trains and international trains have sleepers.
Sleepers are called “yatakli” in Turkish.
Each sleeper cabin has two beds, washbasin, air conditioner and electric socket
Two beds have to be reserved together.
Fare for sleepers in domestic routes is TL 70-90 for single bed (€ 23-30), TL 50-60/person (€ 16-20) for double bed in addition to train fare (as of March 2017).
Trains with sleeper cars are (as of March 2017):