How long does these headaches last omg on top of that can't sleep and anxiety 
You are very early in your quit, and your body is adjusting to life without the drug. Just as everyone is different, so is every quit timeline. Just take it a day at a time. Be kind to yourself in these early days; TLC is called for.
Nap if you can for the insomnia - at night be sure your room is cool and dark, turn off electronics at least two hours before bed, and maybe no caffeine (including chocolate) after mid-afternoon when you first quit (caffeine has a greater effect on you when you quit). Melatonin is available OTC or you create it by warming a bit of milk at bedtime. If you can take Benadryl, try that. If you awaken in the middle of the night, try thinking of girls'/boys' names for each letter of the alphabet, or cities and states for each letter. Don't just lie in bed and worry about not sleeping. Get up after about 30 minutes and work on a crossword, or read.
Take Tylenol or Advil for the headache..
This all WILL pass. Hang in there until it does!
MY headache lasted THREE days it was like a vice grip on MY head - I can totally relate
