I am well up there in years, and it has only been relatively recently (the last few years) that I finally stopped having dreams along the lines of: it's finals week, and you suddenly realize that a (highly technical/scientific/difficult) class that you haven't been to for most of the semester (but somehow forgot to drop and only just now (when it is way too late) realize that
) is having its final exam in two hours...
(In case you were wondering, yes, many years of college here... with more than a few nightmarish finals weeks!
)