i go on this train frequently
if you love yourself, please dont rent the pillows and sheets. they stink really bad. i just carry my own.
also, NEVER EVER, EVER book the sheets online. you will just end up in a fight with the attendants. there is no coordination whatsoever with the online bookings.
and getting the sheets from the attenders is another ordeal...
more... altogether. there is a huge queue in a few compartments. total mess. just carry your own and sleep peacefully