I ask because it’s considered common knowledge that you can’t but I regularly have dreams where I continue books I’m reading irl (they usually devolve into naritive nonsense over time and then sometimes to blank pages, but the actual text is definitely deciferable), text messages, computer screens, and road signs, in both lucid and regular dreams. Am I the odd man out or is it actually just something people say?
The only rule for me is the Doctor Who's "do you remember how you got here?" as in, a dream is a collection of edited scenes instead of a long one shot. Like, I'm in my house an them I'm in a park with no memory of getting out of the house and traveling there.
At least, that's the only consistent rule in my dreams