Anyone who has ever had one procedure under anesthesia knows you can’t have any food or drink prior to that procedure.
On another note, they made Chloe look like a complete idiot. I though that maybe they were building a box kite, but no, it was a simple kite. I’m sure Nadia was thinking, how stupid is my character? And as a mother, I was worried about that little girls holding the pieces of the kite. I was worried she’d poke an eye out.