I am really irritable today, any advice on how to chill with the frustration?

I cannot explain why, but I just woke up in a bad mood. And, Im also very irritable. There were only 2 people in the locker room at the gym this morning, and I snapped at them both, one was trying to talk to me, and the other was walking too close to my locker. I know it is stupid, but im so fed up with people. I just want to be left alone, and have some space to myself. People bother me so much! They seem to have the need to be on top of me. The girl at the gym simply said hi and asked how my day was going so far, and I snapped at her and told her I dont want to talk. I feel bad for that, but I hate people in my space. This might be the most annoyed and irritated Ive been in a long time. Its probably because Ive been in the house all weekend cleaning, and not going out. But nothing irritates me more than people (not in a violent way, just makes me angry). How do you all deal with it? I try to watch YouTube, Netflix, Etc.... But I just wanna go vent at someone.