I can't get myself to study at all. I just finished the second year in my degree and I am currently in summer school for redoing a math course I dropped last semester. It's just one class but I can't study, I have a big exam tomorrow and I can't study at all, I don't know what's wrong with me.

It's not just this one class, every single class I've ever had in my life I just passed somehow, but my work ethic (or lack thereof) is finally catching up to me. I've never worked hard a day in my academic life, the worst part is my family thinks I'm some extremely hard working student, I haven't studied more than a collective 20 minutes for this exam the entire semester, instead I'm writing this.

I've tried removing all distractions or going to different locations, I've tried studying in groups and alone, I've tried various different study methods but NOTHING works. It's like my brain would rather watch paint dry than study. I've never studied a day in my life and feel like I'm gonna crash out, I have no idea how I got halfway through my STEM degree like this. Please help, I don't know what to do anymore.

I want to study but it's like my mind would rather do literally anything else, I know I'm gonna fail my exam tomorrow as the class is genuinely difficult and I have done nothing, I dropped it last time and blamed it on the professor (who was pretty shit to be fair, not trying to make excuses), but my professor is actually good this time around and I'm gonna fail anyway, I can't drop it, I need this class for my next year courses which are only gonna get harder.

Any advice at all is appreciated, thanks.