I feel lucky. My Dreamlands haven't changed a bit. Same places. Same geography. Same architecture. Same cultural quirks. Same monsters. It's all a bit tamer than it used to be, but that's because I grew up. A lot of the same nightmare scenarios happen, but I'm no longer a kid. It changes things.
My worst recurring nightmare as a kid saw my family besieged by aliens in our own house. At the climax, they got in somehow (I never figured that part out) and we had to run for it. My family never made it. The ending varied. I had to decide whether to keep running or stick around and share whatever fate my family was in for. It was messed up.
The nightmare still tries to happen. The difference is I'm not a kid anymore, I have nobody but me to worry about, I am not running, and I have a Mossberg.