It's 2019, and we still can't really explain dreams. amirite?

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it's like trying to explain how you feel when you're high

i had a dream about me being ant man then my crush finding out and started kissing me then my dad woke me up and he ruined my dream

Because the human psychology is not a walk in the park. There is no sure way to explain a person's behavior or how they would react different scenarios , and those dream definition websites are BS if you ask me. If you see a gigantic wasp in your dream it means you're afraid of your mother or some crap

I've heard a pretty interesting explanation. Supposedly, dreams are the result of random cerebral misfirings during sleep. People are often tempted to reject this explanation because it seems to dismiss the deep meanings that dreams hold for many people. However, I don't think it does so at all.

The cerebral cortex stores information in neurons, and stores meaningful connections between information in the synapses that connect those neurons. When neurons are activated, the associated synapses are activated as well, and the neurons associated to those synapses are activated in turn; one's "train of thought" proceeds in this manner until the signal has forked off enough that every child signal has died out. It's entirely possible for meaning to be gleaned from random neural signals, because the meaning already exists in our brains, encoded in the structure of the breadth-first subgraph starting from the initially misfiring neuron. The deeper meaning is already there, it's just waiting to be randomly activated. That is, dreams aren't just made from any ordinary random noise; they're made from random noise among bio-structures capable of forming and retrieving connections in an experience-trained predictive Markov graph.

Speaking of that graph being predictive, that's a popular hypothesis as to why dreams evolved. It may be that dreams help us make the most survival-effective use of our time, by using the existing connections in our brains to make trained predictions about future events so that we can be prepared when they occur.

Additionally, in animals capable of dreaming, dreams are believed to play a crucial role in their mental health, and eventually in their physical health. It may be that nightly random neural activations are needed to reinforce our most valued synapses and protect them from being mistakenly pruned during the eight or so hours we spend sleeping at night. It would be a huge problem for a baby animal to go to sleep one night and wake up the next morning with no idea who its mother is.

@unknowncondition Can you explain why i'm not dreaming...At all.

Are you sure? We only remember a minority of our dreams, you know. Maybe you just aren't remembering any at all.

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