Originally Posted by
Finland Station
You won't need to. BA15 SIN-SYD is proper dinner, followed by breakfast before arrival in SYD. It's a tough flight, however, very like a US East Coast departure back to London.
That's a very good comparison. For me, it's less about the arrival time but more about the length of flight and the length of unbroken sleep. In years past I deliberately routed HKG-AKL to get a decent night's sleep and then picked up the short flight from AKL-SYD/MEL.