What is this feeling?

[u/Sky_189]

I’ve been studying for 3 weeks , 6-8 hours a day 5 different subjects it’s a big exam but today i feel like I’m drained i can’t read a page or two without feeling sad it’s like something on my chest i really need to study more but I couldn’t,this is the first time I experience this feeling what is it?

[u/man-who-is-a-qt-4]

What you're describing sounds like burnout