What is that Sweet Valley Book where...?

Question: What is that Sweet Valley Book where!.!.!.!?

!.!.!.they're babysitting these kids and when they fall asleep this girl tries to kill them in their dreams and when they wake up they actually have injuries from their dreams!? I think it's when they're in middle school!.
I'm reminiscing about the books I used to raed when I was younger!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

That would be Sweet Valley Twins books 97-100 "Too Scared to Sleep", "The Beast is Watching You", "The Beast Must Die", and "If I Die Before I Wake!."Www@QuestionHome@Com