Ah yes, the OZ angled lie flats are really one of the worst, esp. as the footrest is unstable and on some sort of a spring (on most, not all, aircraft that have those), so you need to continually keep exercising your muscles to push it down while trying to sleep, which means you will be sore all over even if you manage to fall asleep on those, as your muscles never get to relax, and your knees have to bear your body weight from sliding down. And the OZ cabin (just like KE) is also always uncomfortably hot. Ugh....

But still beats coach.

(off topic, sorry)