Rinpoche (Tenzin Wangyal) wrote a book on dream yoga, which I read years ago when it first was published. This thread reminds me of some of its content.
(I am trying to not link to Amazon these days, so here’s a link to the book at the publisher’s web site:
https://www.shambhala.com/the-tibetan-yogas-of-dream-and-sleep-2405.html
… which… yep… is not Oneboxing, so please accept my apologies.)
Rinpoche talking about it and more here: