Mental Health issues?.. help me?

I have no idea what i have.. i screwed up my sleep schedule again by laying in bed awake because i am so scared that the lights i have on are burning my skin so i put on some sunscreen spf 100 and like i still feel in pain! then i think my house is exploding .. no i will not turn off the lights ( scared of the dark ) ha ha ... i also suffer from panic attacks where i scream,sob scream insults and thrash around ... as a child i would wake up in the middle of the night not being able to breath ( not asthma) ... and um my chair was off to a weird angle and i Swear i see something white move so i stand on my bed and throw things at my desk and say " **** OFF " and i always think my lungs are collapsing. I snap at people i cry a lot .. i'm afraid of being left alone looking outside my eyes are like looking through a tunnel and i mean literally my head feels compressed together What do you think i have?