I live in the upper bunk of the dormitory, and when I sleep in the lower bunk, I go to the toilet an

This can reflect the condition of the bed to the dormitory administrator, and you say that there is a safety hazard.

Tell the dormitory manager to reflect it, and say let me fix it, otherwise it won't be good if something happens one day, and it's more serious!!

Report the problem to the school until the bed is fixed and no longer shaking and making a noise.

There's no way around this, you can only be careful, you can't avoid it, and they won't blame your 、、、

Find the school building manager aunt and ask them to help you fix it, I understand your mood very well.

Usually, explain to the lower bunk that you didn't mean to. I'm sure the lower bunk will understand.

Sometimes the environment is like this, and only people adapt to the environment.

Then it can't be helped, so it's good to be more careful......

As long as others know that you didn't mean it, others will understand.

I can only blame the bed, hehe.

Then you can tighten the screws on the bed.

Fix the bed joints.