I'm looking forward to flying this route into and out of Doha.

Has anyone had some time in SIN or CGK en route to DOH, recently?

I'll search again, but wouldn't mind learning about your experiences:
flying J
upgrading to F
the (im)possibility of arranging STPC accommodation or
booking time in the sleeping rooms (rest rooms ) at DOH, prior to that 01:50 DOH departure.

Thanks again!