Mind-wandering increase creativity: https://www.researchgate.net/publication/230786381_Inspired_by_Distraction_Mind_Wandering_Facilitates_Creative_Incubation
Mind-wandering enhances learning: https://labs.psych.ucsb.edu/schooler/jonathan/sites/labs.psych.ucsb.edu.schooler.jonathan/files/pubs/perceptual-decoupling.pdf
Mind-wandering enhances working memory capacity: https://journals.sagepub.com/doi/abs/10.1177/0956797611431465