so i have pretty bad sleep anxiety, which makes me not rlly able to get much sleep. next week is pretty important to me as i have a few big exams that i'd like to be well rested for. since that's pretty much impossible, i just wanted to know if there's any tips or advice you guys have for focusing and being alert while on little sleep, besides caffeine, i already drink coffee. 
it's kinda frustrating since i try my best to prepare and study the material and then my brain just decides to not sleep :') i keep telling myself that it's okay if i don't and that i'll do good on the exams either way but my heart and mind just won't stop racing. it's currently 2am and i don't feel tired at all.

also scared that this will trigger something, last time my sleep anxiety felt like this i ended up spending around 2 months getting only 2-4 hours of sleep a night. this last part is more of a vent ig.