Anxiety insomnia nevrous feel sick alot?

i can't sleep and when i can i barely feel refreshed or wake up like 4 times a night sometimes i feel or i have to wait till im so tierd i just drop,anxious and nervous constantly i get mood swings quite often,i have abit of trouble controlling my thoughts,sometimes depressed,dont think very much of my self ever,mind fog it's getting worse im going to the doctors within the next few days just wanted to know what any may think it is or if anyone has the same problem