Before you start, ask everyone, have you ever heard strange noises in a quiet environment?
Probably since June last year, every night Xiao Jie can hear a bell ringing sound at home, and this sound will only ring at night, especially in the dead of night, this sound is very clear.

But Xiao Jie has never hung a bell at home, and whenever Xiao Jie hears this kind of noise, he will open the window to see if it is caused by a neighbor, but he has never found where the sound of the bell comes from, and even the passers-by outside the window at night have not seen the bell.
The strange thing is that when Xiao Jie sleeps, he finds that the sound of this bell is sometimes big and sometimes small, and when you concentrate on finding the source of this bell sound, the sound will disappear inexplicably, but if you don't pay attention to it, this sound will always linger in your ears.
Once at night Xiao Jie brushed a video at home, his sister was working next to him, brushed the video and said that he had just closed his eyes and said to raise his spirits, suddenly he heard a bell ringing, and this time the sound was particularly loud, Xiao Jie asked his sister if he heard the bell ringing, his sister said I did not hear, but Xiao Jie said that he did hear it, so his sister told him: Oh, don't lie, I want to work, if you really hear it, you will record the sound for me okay?
In order to make his sister completely believe, Xiao Jie was always ready to record the state, and finally one night, when it was late at night, he heard a sound of ringing bells again, he quickly picked up the phone to open the recording, and when the sound completely disappeared, Xiao Jie stopped recording.
The next day, when Xiao Jie checked it, something strange happened, there was nothing in this recording, just the quiet that was unique to the night, there was no sound, only noise, Xiao Jie realized that this sound was only heard by him, and every night after that, he could only let this sound go unnoticed.
Finally, one day he couldn't stand it, because the sound was so loud that he couldn't sleep. So, Xiao Jie called the whole family to the bedroom, let everyone listen attentively, ten minutes passed, no one in the family could hear this kind of bell, blamed him, absolutely misheard, or had hallucinations, Grandma also deliberately went to him to get some tranquilizing Chinese medicine for him to drink, but the results were useless.
Later, Xiao Jie's family took him to the hospital for examination, and after listening to his description, the doctor diagnosed that he had tinnitus in all likelihood, and tinnitus was a normal phenomenon, and some people often heard it, such as: once a person enters a quiet environment, the sound of "buzzing, buzzing" in the ear is not from the outside world but from themselves.
Like Xiao Jie so frequent people really very few, and then Xiao Jie and the doctor chatted for a long time, the doctor learned that the original Xiao Jie liked to listen to songs since he was a child, and every time he listened to the song to put a big sound, sometimes he still wear headphones to sleep, the doctor said that it must be because of this reason, and it is recommended that you do not wear headphones to listen to the song in the future, or never put such a big voice to listen to the song in the future.
Xiao Jie promised the doctor on his lips, but he thought that the doctor had made a mistake in diagnosis, it should be that he had hallucinations, it seemed that something was calling him, and every day he continued to sleep with headphones on, and every time he turned the volume to the maximum.
Finally, one day, Xiao Jie found that he could no longer hear the strange ringtone, and not only the bell could not be heard, but he could not even hear the voices of other people, because he was already deaf.
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