Help?

It sounds like you're an Insomniac. u should probably see a doctor and see if there's any medicine u can get to help u sleep of stop the headaches of throat soreness. of u could try to start a routine before bed. Like maybe meditate, exercise a little, read a few pages of a book every night, to get u tired and better ready to relax and fall asleep. You're brain seems very sleep deprived which might be causing u to have minor hallucinations. I have a sleeping disorder and a lot of the things you're describing are quite similar to when I can't sleep.
Hope this helped in some way =)

stress can cause lots of problems like chest pain lack of sleep and headaches
u can try and take a warm bath of douche
drink some tea/hot cocoa/listen to music
avoid using your phone of computer
use eye mask and try to relax in quiet room
workout for 1 uur early in the morning

Go see a fucking doctor.

...go see a doctor my dear.

Quick visit to the doctor wont hurt :) Sounds like u have a bad case of insomnia though. Perhaps even signs of depression tied in but u didn't give enough info to indicate anything else to support that. Just, yeah, go to a doctor and it will get sorted out.