Can't Study

I have a test tomorrow that I really need to continue studying for and I ve been desperately trying for the past 4 or 5 hours, but nothing is registering in my brain. I don t really know if I m dissociating (I don t really understand what a dissociative episode feels like) but this is the time last year when everything went downhill and I m struggling. My sleep pattern is all messed up too. Yesterday I slept until 10, stayed awake for two hours, went back to sleep, woke up at 3, studied for... Can t Study
https://www.myptsd.com/c/threads/cant-study.51319/