this post was submitted on 15 Oct 2025
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One cool use I'd like to see for AI one day would be recording dreams. A machine that reads your brainwaves, sends data to AI. The AI could be trained by showing someone an image, and then feeding the AI the description of the image, and brainwave readings, such that it can find patterns. Later, well-trained, it could translate brainwaves into concepts. Feed that into an LLM to connect these concepts, generate a title, sinopsis, and some prompts. Use prompts to make a video out of it, a trailer, and a poster. Add to a personal library. By having a local AI of your own, with your data, controlled by you, AI could have references of you, like name, general information, how you look, etc. Wake up in the morning, make yourself a cup of milk, sit in front of your computer, open your dream library. Browse around your own Dream Stream (though local, so no streaming. Unless server). A title/poster catch your eye? Read sinopsys, watch trailer. Interested? Give it a watch!
Gonna say it. That's a terrible idea. Dreams are random data streams based on what is being stored into long-term memory as you sleep. Being able to witness dreams is not something you want. Experiencing dreams while they're happening is cool, sure, but being a passive witness to the madness in your skull is not going to be a pleasant time. That's not even including being able to view other people's dreams. The accusations of infidelity. Nope, let's open that pandora's box.
Am baffled by the inclusion of ai in this comment, though. Feels... out-of-place? Like trying to predict the future, badly. Like retro-futurism.
What is wrong with re-watching one's dream? I mean, sure. I've written some dreams down, and looking back some of it's kinda cringe (also crappy, cause dreams are random and I can't remember well)
Also, if dreams are "random data streams based on what is being stored into long-term memory as you sleep", why random-ass dreams? Not always I wake up feeling like "damn, what a topical dream!" It's, like, "Oh, Robotnik took Sonic's wife and I gotta help him", like. What in that is being stored in my mind?
I did mention it's a private thing. Not like Smart Pipes sharing your last poo to your online followers
Why is AI out of place? I mean, if it (or machine learning, at least) can "see" or "learn", or "spot" patterns, and then replicate them, it could be used to try and see a pattern between one's brain activity, and what imagery could be associated with it. If it can find these associations, it could then work backwards from the brain activity to the image. Like, it receives brain activity when I see or think of an apple, and it knows the context of the apple. Then, without the context, and with enough training, it could figure out when you're thinking apple. In theory, at least. Not sure how brain activity works, and if there's anything differing in different contexts that could be picked up like that (i.e. that you could somehow differentiate between thinking apple or any other thing going on in your brain)
Not OP, but I can see their point. I may have a different perspective from them, though.
Dreams aren’t simply movies our brains make up. They are multi-sensory beyond sight and sound. In particular, I can feel things in my dreams. Not just textures, but emotions. Those emotions include enthusiasm for nonsensical ideas that take place in those dreams, or fears based on abstract concepts expressed through metaphors (but that wouldn’t make sense IRL.) I’d say that emotion is key to our enjoyment of dreams, and that emotion comes from inside us. Without it, we’d basically be watching abstract art films and wondering, “This is weirder than I remember. Why did I like this so much before?”
Can such a dream-capturing device recreate all the emotions present in the dream?
But also, would we really want a device that could force someone into experiencing something so intense? It sounds like something that could easily be used to manipulate people, and that worries me.