Employment Law Questions? Ask an Employment Lawyer.
I am sorry about your situation. I want to be able to help, but I'm not sure I follow your question. Let me know how I can answer your question. It seems that if they were to fire you you may have a claim that they were creating a very difficult situation to have you work such unreasonable hours wherein it may actually cause more harm to patients if you are not fully alert. If you like, we can talk by phone as well for an additional charge.
A phone call may be a good idea so we can talk through the various issues.