Right — I mean, I think it's interesting what "dream" means colloquially.

Like, we "dream up" things, or we "have dreams" (underspecified broad ideals for our best life etc.)

I do wonder if sometimes reprocessing dreams has helped me have a better response for something when it reoccurs — like, how to better respond to being slighted or abused or sometimes even complimented.

But I don't know if those could be said to be "plans" on any level. It's a kind of training, though.

Dreaming does help you train for grief and loss, I think.

And sometimes for me it has encapsulated the wisdom or reassurance of someone I have lost; my father appears to be quite involved in my recovery from burnout and my imagining a better life for myself and he died several years ago.