No; in Europe (UK).
Night/overtime pay rates for "duty biochemist"/"duty hematologist" hospital positions are pretty high, in many places. Nowhere near your "quoted" $10 per hour. That's barely minimum wage! Anyway, I didn't say that it "covers" it. But it can certainly make quite a difference. They tend to employ quite a lot of those people, and to give priority for those positions to their own students, many of whom have "financial issues", naturally. Anyway, it seems like you just want to "Be Right" about this, in spite of the facts, so I'm going to drop out of the conversation, now. I don't have time for that kind of conversation.