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I was in the bed, I was cold so I covered up and I was shivering and then it was like the shiver took on a different kind of strength like my whole body got tight and my heart beat was hard and then it melted away after a minute or so, then it came back I could feel it about to start my hand locked up first and then the rest of me I could barely open my mouth to speak. It’s was really scary and I don’t know what set it off or if it will happen again, I would hate to have been out when that happened and the thought of being out if that happens keeps me in the house.