As a writer, for authenticity and to avoid distracting errors, I need to portray my story setting correctly. For example, I live in the UK and need to know whether guests can tay overnight at hospitals in the USA:
Character A is in a serious accident and is rushed to the hospital while unconscious. His significant other (Character B) is contacted and told he is in hospital.
Would character B be allowed to stay in the hospital overnight with the unconscious character A once he is stable? Sorry, this is so specific, but google was very vague and only supplied answers for planned overnight visits or specific locations instead of in general.
What is the best way to gather this information and create an authentic setting?