Dream About Hidden Rooms In House

So last night I had this dream and the dream was took place here at the house that I live in now. In the house that I live in it is myself and my sister and my six-year-old niece and this house actually is one of my father's properties. In this particular dream, my sister comes upstairs and she begins to move things out of my office. Currently my sister is pregnant and we've been having a conversation about... She's been wanting to rearrange the house to accommodate for the baby. In this particular dream, I was in my room upstairs and she was in my office upstairs and she began to go in the office and take things out. She began taking things out to make room for the baby. I became very upset because we hadn't had the conversation and she just started moving my stuff without my permission and in the dream I became so irate that I began to knock things over and I was so mad. I was really mad because I felt like how are you going to just insist on moving my stuff out of the way without even talking to me to make room for what you have going on? I was so mad I began to walk through the house and I was saying there are so many more rooms there's so much more here why would you take this space? So in the dream I began to go through the house. The funny thing is our house is only a three-bedroom one-bathroom house however in this dream there were other rooms that I was finding in the house. I've had this dream before where I've gone through the house but I'm finding other rooms that are in the house so as I was going through the house and I was going to these other rooms I kept saying like I've been here before I know that there are other rooms here and I've had this dream before. As I went through the different rooms in the house, there were like different people in there and different images were on the wall in these different rooms of the house and the different rooms of the house would take me to different places almost. My sister was arguing with me that the other rooms in the house were not prepared or ready. It needed so much work that she couldn't stay there and it wasn't healthy for the baby. Like they had mold and the ceiling was coming down and things like that. And I kept walking until I would find a room like this is presentable or that's presentable. But these rooms, there would always be people in them and or people from our past or just different things. And they almost were reflective of our life in different ways. Maybe different flashes of life. I'm not sure. One room I walked into literally led me to another state city place and it almost was like a barn and there were people in there and I was like oh what are you doing and I was trying to figure out what these people were doing and as I tried to talk to them things just kept changing. I can't remember the rest of the dream but I just know I've had this dream before where I'm going through the house that I live in and there are more rooms than that actually are there but there are more rooms I'm like I know there are more rooms here but these rooms are these just different eerie feelings to them I don't know if they were flashes of different life different spaces different times but I'm like we have more room here that's all I kept saying like we have more rooms in this house but then I can't be like no this house only has three rooms but I'm like walking through this house and it has all these rooms and I've done this before in other dreams It's just a really familiar dream in a new space with a new context, but the house with the many rooms, that almost feel like they're not visible until I'm going through this process of walking through the house, but yeah.