I had dream with me and my friends at a really odd large complex. it was like a factory but also more of a museum. we had gone through the lines to enter the place and then we had gone through and looked at everything and had come out at the gift shop area. at an obscure part of the museum section there was a small shelf that was for stuff to buy as gifts, a ton of books with different languages, writings, and symbols all over them in arcane patterns, magick books. I had been amazed at how pretty the covers and everything looked so I wanted to buy one or more but I wanted to take a picture of the section first to send to some people that may want some books. I couldn’t find my phone for some reason, I then went to go inspect the books further to see which ones I wanted to buy. there was a silver chrome cover to one of the books that talked about astral projection and experiencing or observing other worlds. that one had drawn my attention first. then before I could decide to look at more and buy any the scene had changed. I was now with friends in a small dorm like room, all of us sitting in a circle of chairs in the center but expanded out to the edges of the room. at the center we had a speaker with someone’s phone hooked up. we were playing an audio file to provide white noise for everyone while did one of the beginner rituals of astral projecting in the silver book, which it seems I did buy. unfortunately whoever put the white noise on picked the wrong thing and it wasn’t the best option for 2 of the people so only I was able to actually fall asleep for things to properly happen. everyone else just kinda sat there tired a bit from sitting. in the time that I was asleep I had experienced a dream within a dream. I had woken up somewhere else and was having a conversation with someone and saying that it was all a dream, mostly as a joke to see what they would say. they had joked around saying they wish it was a dream but we have serious things we had to take care of so I better start getting serious about things. this was my GF in that dream telling me this. she had acted entirely like a real person, my vision was 100% in every way and I was fully aware of all that I saw, it was all very overpowering so I didn’t have the rest of my senses. then slowly that had faded as I wasn’t able to maintain it well and I woke up back in that room as people started to get up and deal with the audio situation. they had asked me what had happened and I said that I just kinda fell asleep as I was already pretty tired but I did seemingly go somewhere else. 1 person had gotten jealous that in our failed attempt I still seemingly succeeded. then I actually woke up a bit later on.