Hi Tony
Sorry for the delay in replying. I've been in touch with several colleagues to get an answer for you.
You won't need to get up at 4am for the Abu Simbel trip. I think someone has misinformed you here; there is an option balloon flight with a very early start but for Abu Simbel you will depart after breakfast.
It's possible that the itinerary has changed from the version you are looking at, but if so rest assured you won't miss anything - you will see the same things but just in a different order.
Kind regards
Olly, your editor