Trouble Focusing Head Pressure

[vichoo]

I am 20 year old male and I have recently been experiencing some odd focusing problems. It as if I cannot focus on what is going on around me, everything feels like its moving faster then I can comprehend it. I don't use drugs although I used to smoke marijuana one in a while. I've stopped for good reasons since I would experience horrible panic attacks when I did smoke. I feeling i've been getting is almost similar to having a hangover. My brain feels slightly swollen and i'm certainly irritable. I've been sleeping late like 2am sometimes 5am and wake up around 12pm and today I woke up at 3pm. I thought perhaps the extra sleep would help me but I cannot seem to shake this feeling off. I even play brain age every day to see if i'm losing cognitive function but my memory speed seems to be improving rather then decreasing. I am wondering if its a lack of exercise or poor circulation, do I have a mental condition? I wish I could see a doctor and get an mri, but I have no health insurance since I am currently out of school and won't be returning until late august.
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