I’ve been working in this field for 10 years, and I’ve always had a very busy professional life.

I worked as a hospital nurse throughout these years, and recently I had the opportunity to experience and livethe life of an occupational health nursinge.

Patients feeling unwell, family members questioning the doctor’s presence, nursing notes to complete, prescriptions to open, and a team of nursing assistants to manage...

What do you mean by "the doctor's presence" that the family members were questioning? If the family members were literally wondering why the doctor was in the room, as in, the doctor should leave, then "questioning the doctor's presence" makes sense. Otherwise, I'm not sure what you're trying to say.

I have my own office,. I have a high quality of life,. I exercise regularly,. I’m not in high demand as a professional (whicthough I’m still unsure whether that is a good thing or not).

I live in a spacious house with my dog and my husband,. I drive my own car...

However, like every human being, I still wonder if I truly enjoy this calm life, because (there are) many times (when) I feel useless.

It sounds okay the way you wrote it originally, but you can also say it like "there are many times when I feel useless"

Have yYou eEver wWondered wWhat iIt’s lLike to hHave a bBoring jJob?

I’ve been working in this field for 10 years, and I’ve always had a very busy professional life.

I worked as a hospital nurse throughout these years, and, recently, I had the opportunity to experience and live occupational health nursing.

Patients feeling unwell, family members questioning the doctor’s presence, nursing notes to complete, prescriptions to openfill, and a team of nursing assistants to manage...

In short, it was a daily dynamicthe days were fuill ofed with constant actionvity.

But honestly, not every dayI did In't enjoy having that level of stress every day!

I have my own office,; I have quality of life,; I exercise regularly,; I’m not in high demand as a professional (which I’m still unsure whethernot sure is a good thing or not).

I live in a spacious house with my dog and my husband, I and drive my own car...

Have you ever wondered what it’s like to have a boring job?

No grammar corrections, just want to note that from a style perspective, this is a great title that piques the reader's interest.

I worked as a hospital nurse throughout these years, and recently I had the opportunity to experience and live occupational health nursing.

"experience and live" is a bit unclear. You could either just say "I had the opportunity to experience occupational health nursing" or perhaps "I had the opportunity to experience life as an occupational health nurse."

My previous experiences were filled with the rush of shifts—sometimes even juggling two jobs—with lots of problems and tasks to solve.

This is a nitpicky correction, but your English is strong so take this more as fine-tuning that I would give to a native speaker. I don't think you need to say "problems and tasks to solve" - it's a bit redundant, and you wouldn't necessarily solve a task.

In short, it was a daily dynamic full of actionevery day was dynamic and action-packed.

More of a stylistic edit. The use of "dynamic" as a noun, in the context you used it, is less common, but it could work.

But honestly, not every day did II did not always enjoy that level of stress!

Edited to read more smoothly than "not every day did I enjoy".

Many times I asked myself what it would be like to work in a calmer environment, with less stress, having time to rest, do other activities, take care of my mind, learn new things, improve my English, and have time to study.

In a sentence with a list of actions, it's good to keep the verb tenses consistent, so for that reason I edited "having time to rest" and "have time to study."

Beyond that, you could probably shorten the sentence and convey the same meaning by combining some of the list items. For example, "what it would be like to work in a calmer, less stressful environment"; grouping together the acts of resting/taking care of your mind, studying/learning new things/improving your English in less words.

But again, these are corrections for an advanced writer.

I have my own office, I have quality of life, and I exercise regularly,. I’m not in high demand as a professional (whicthough I’m still unsure whether this is a good thing or not).

This would work better as two sentences.

I live in a spacious house with my dog and my husband, I drive my own car...

I might put this sentence after the "exercise regularly" sentence above, then let this part of your essay end with the "not in high demand" sentence, which is where your feeling of doubt starts to creep in. It flows better into the final paragraph where you are more openly questioning the job change.