I too, am living with roommate hell... I live in a double room remade into a triple, and, well, I simply sleep there. I don't get on with my roommates, because they hate my quirks. I can't talk to them because they don't listen to what I say. I wish they did, but of course, they do not. If I'm not talking trash about one of the other people on the floor, they don't want to hear it. And I don't talk trash.
I am lucky, that I found a great community center thats open daily from 8am to 9pm where I do all of my work. But when I get back to my dorm, I want to go to sleep around 10-11. My roommates ALWAYS are having parties in my room. Or orgies. (Yes, I have been orgy-iled...) And I have to try to sleep through it. I have gotten very good at falling asleep when there are 6 people in my room, the lights on, dance music blaring, people yelling, etc. It's weird, because I'm usually very very sensitive to sound, but I'm getting better now. I can't do sudden sounds, but I can now fall asleep through anything if I pull my blanket over my head. My roommates have been abusive before, and snoop around my stuff and do all sorts of bad things, and the authorities won't help me either, because they claim that I'm "just not adjusting to college life". It's not that I'm not adjusting to college and living away from home. I'm not adjusting to being bullied and abused in my dorm room. And no one should adjust to that. Essentially I use my dorm room as the place where I sleep and shower and nothing else.
If you can, I suggest trying to either
1) pick your roommates based on trust, so they know about you and understand you, etc. and will accept your quirks and allow you to live and let live.
or
2) Get a single room. Having retreat space is important. I'm lucky in that I found a great community center where I can sit and do work without people expecting me to be uber-social like the dorm requires. I'm really grateful for that, but I really would've benefited from a single room, mentally.
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~Izzy