... google search should help you out. It has to do with ... your mental stamina will run out after your third section and ... a lower score due to burn-out.
Hey! I have experienced this as well. I feel that when it gets close to test day, the pressure of the test as well as burnout from studying can really get to you. Take care of yourself and remember that you are going to do great.
... months of studying I found out that after 4 hours my ... stuff to do like work out and other housekeeping stuff. and ... because I didnt want to burnout.