a small room in Minnesota blocks out 99% of external sound.
when it's quiet, your ears adapt. the quieter the room, the more things you can hear.
the pounding of your heart, your lungs, your stomach. you then start to fabricate sounds.
the experience is so overwhelming, you must sit down. without sounds to orientate your body and help you with perception, you lose balance and the ability to maneuver.
apparently no one can stay in the room alone for more than 45minutes.
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