The context of the following conversation is Alex, the on call nurse, eased their pain with medicine.:
Alex says It's tough being an on-call nurse overnight these days..
The friend responds Are you getting a lot more patients in?.
Alex responds The hospital is overflowing on this shift and there's only a few nurses..
The friend responds That means that you guys are taxed..
Alex responds Definitely because each person has a bunch of patients that they have to take care of..
The friend responds It's an honourable job but very tough indeed..