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      Before going to bed at night, my hearing was still good, but I woke up the next morning but found that my left ear couldn’t hear sound.

      Before going to bed at night, my hearing was still good, but I woke up the next morning but found that my left ear couldn't hear sound.

Continue Reading      Before going to bed at night, my hearing was still good, but I woke up the next morning but found that my left ear couldn’t hear sound.