this post was submitted on 17 Oct 2025
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Sleeping is a great time for the brain to synthesize and assimilate recently learned things, so new ideas stemming from what you've learned could manifest in a dream. Like the structure of benzene that came to a scientist in a dream and now is the accepted chemical structure.
I personally once had this dream where I got blonde hair and blue eyes and while playing baseball, I noticed that the sky was brighter than usual and the sun's glare was really bad. Found out later when I got up that people with blue eyes do see more glare when it is bright out.
As for learning in the sense of having a TV or speaker on an educational program while you sleep, it's enough to disrupt sleep patterns, but hasn't consistently been shown to be enough for learning.