My stepfather had to be admitted into a rehab facility one week ago because of a large diabetic foot ulcer wound which has MRSA. He needs IV antibiotics administered. He did OK for the first few days, a little decline but that’s to be expected. Over the last few days though he has made a rapid decline in that he hardly speaks and has trouble understanding what’s being said. Today he ate only a few bites of breakfast and no lunch, and he wants to sleep all the time. Is this something to be concerned about or is this normal behavior for someone entering a new facility?