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I've been trying to learn astral projection for a couple months now and hadn't had any huge progress until this morning. I was starring at the clock early in the morning and I started to daze off. Suddenly my whole body felt like it was violently shaking, almost like I was being flung around the room, only I wasn't, I was lying motionless on my bed as I could see my arm in front of me. I could a hear loud crackling sound that sounded sort of like fire in my ears and heard scratching sounds on the walls and some loud boom noises. I stayed in this state for a short while and then everything instantly stopped. I'm fairly sure I was on the verge of projecting, but it never happened. Is there something I should do once I enter the state I was in? I'm fairly sure I could do it again now that I know what worked for me.