4 ms·A sleeper car. Very common. :) https://youtu.be/EE5x9vlb0ss?t=25 https://youtu.be/EE5x9vlb0ss?t=25by hrrsn 9y agoA sleeper car. Very common. :) https://youtu.be/EE5x9vlb0ss?t=25 https://youtu.be/EE5x9vlb0ss?t=25