Yangon - Mandalay train upper class car inside. There are reclining seats and toilets provided in the car. Some have fans, the others have airconditioners. Trains with sleeping cabins run at some seasons which can not be predited at the time of writing. Please call Yangon central railway station at the phone numbers: 274 027, 202 175, 202 176, 202 178.
Below is the outside view of the same train. Note that it may be difficult for some people to sleep in the rocking trains.