“if the sun went out we wouldn’t know for about 8 minutes.”
you might like the first chapter of Iron Sunrise. it’s a SF book that begins with someone destroying a civilized planet by causing their sun to explode. not a rare trope, but they describe it in a realistic-sounding way. (the rest of the book is mid, unfortunately)
I always imagined that ADHD was just our minds tuned to being hunter-gatherer survivors, and thus not suited for a sedentary office environment.