I have to fly from Australia to the US and back around once per year (in cattle class). Usually around the 10h mark between MEL/SYD and SFO I just want to get o

I have to fly from Australia to the US and back around once per year (in cattle class). Usually around the 10h mark between MEL/SYD and SFO I just want to get off the damn plane. 20h sounds like torture, though maybe less so in Business class.