The world has been hard on me

I woke up in the middle of the night. Had a hard time to fell asleep again because my heart was beating so hard. My house mate thought that i must be really stressful. And oh boy that is so fucking true. I had nightmares almost every night in which i got into fights, yelling and throwing bad words on other ppl. Everything, everyone seem to pissing me off ay every levels. I dont know how can i keep up with this. Smoothing piano and candles are the only way that cna calm me down nowadays. I'm so fucked up