empty train dream

please interpret, ok this is my moms dream, she was in a train then she was in a emty part of the train then all of a sudden a lady appeared wearing black robe, then my mom was tide from her hands at the corner of the train wagon,,, the lady was trying to push her off,,, and everytime the lady push my mom she saw the desert,,, and she felt like a twister was trying to take her up, then my mom woke up and her body was floating over her real body??,,, i told her she was still dreaming and she sed she knows she was awake

Other info: My mom was very sick wen this happened, and sow was I,, my mom was at the point that she almost died,,, nd we were at my grandma's house sleeping in the same bed,,, i was 9 wen this happened now im 14,