For me it's always been the typicals like fingernails on chalk board. A new one that I'm increasingly finding oppressive is white noise, or humming of fans and air conditioners. It's okay at first, but after about five minutes, it starts getting more and more oppressive. Great in the Summer. Just great.
Also negates the effect of white noise machines at a local counseling office. They use them for two purposes. To mask conversations, making them harder to hear from even a short distance, and they are supposed to induce calm.
NOT WORKING FOR ME THANK YOU VERY MUCH!! !! !! !! !! !! !
(Except for the "can't hear anyone talking part" and that's part of what causes the oppression for me}
This is why I wish like hell I could find a place where it's sixty to sixty-five degrees (F) all year round.
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I'm not likely to be around much longer. As before when I first signed up here years ago, I'm finding that after a long hiatus, and after only a few days back on here, I'm spending way too much time here again already. So I'm requesting my account be locked, banned or whatever. It's just time. Until then, well, I dunno...