[Lochleg]

I never looked into it, but some scientists supposedly lent credence to the existence of lucid dreaming. That's a similar concept where you assume that, with training, some people have tapped into a wellspring of vivid imagination. Or, they just have more natural DMT in their system and start hallucinating in their mind's eye.

I can only get a taste of that experience when deeply engaged in reading books. I am hoping the prototypes for deep-dive VR will soon be better than dreaming (for some people that struggle with recollection and other mental exercises) so that we can build what were once only mental palaces and OOBEs.

[HKH2]

If you wake yourself up a bit earlier than usual and then fall asleep again, you'll have a much higher chance of dreaming with the feeling of being in control.