They said it should be higher than my heart, so I guess I slept sitting on a chair and kept lowering my head, so I guess I slept with my head down ㅠㅠ I was scared, but I kept lowering my head. ㅠㅠㅠ I slept sitting down on purpose because of my nose, but I think it got worse ㅠㅠ I'm upset ㅠㅜㅜ What's worse if I lower my head? Is that so??ㅠㅠㅠ Please help me with the answer. I'm upset...