Originally Posted by
zappy312
It's a tough situation for everyone involved, your discomfort inflight and the flight attendants being in a difficult spot. If they let you sit down, what if someone else with sciatic pain also wanted to lie down? What if there's someone else with another equally pressing condition who also wanted extra space? Would they disrupt you midflight to ask for their seats back?
It shouldn't be at all "difficult" for the FAs; its an entirely unreasonable request. Its like asking to take a trip to the cockpit, or a quick stop in the Azores on the way across the pond.