haha if you're a Dragonball Z fan you most likely have clicked on this thread but if you're not then ill explain my idea and see if anyone has done this.

In the show DragonBall Z, there is a place called the Hyperbolic Time Chamber, where a person can train for up to one year in there, and in the outside world, only a day has passed.

My idea is that what if someone could create a realm while you're dreaming similar to the Hyperbolic Time Chamber and extend the lucid dream alot longer than an average one? I am just curious if anyone has messed with the time duration in dreams, but with added time, one can do much more inside a lucid dream, if you could keep the dream clarity good