We sat Orch row M 107-108, it was obvious A was in the bed we could see her head as well as when she raised her arm and when her son came into the room and interacted with her. The full on frontal view was mesmerizing and the final scene had me glued to my seat, it took my breath away!
I could be wrong but I thought most productions are directed from mid center orchestra making it an ideal place to sit.