In British English, it can call “early riser” this means a person who wake up earlya person who wakes up early can be called an "early riser".

I realized there are many benefits tof it.

I used to didn’t wake up feel goodnot feel good when I woke up, but now I feel so refreshed.

Secondly, it is good for my health because after I started this trial, I don’t have aeat dinner.

I changed the eating time I eat instead of my sleeping time.

In addition, my skin condition has been so good.

If I wake up early, I have enough time to prepare toand get ready t. That’s why I don’t missed a my train and classes.

In conclusion, if I wake up early and I’ll succeed.

Early to bed, early to rise, makes mye healthy, wealthy and wise.

I think it’s a little bit difficult until you’re used to it, but I’m sure you will be able to feel better toby wakeing up early!

In British English, ityou can callsay “early riser” this, which means a person who wakes up early.

I realized there are many benefits of it.(to this / to waking up early.)

I used to didn’t wake up not feeling good, but now I feel so refreshed.

Secondly, it is good for my health, because after started this trial, I don’tdoing this, I no longer have a dinner.

I changed the eatingnstead of eating at that time, I instead of sleeping timesleep.

Then I can detox and clean my body from the inside out.

In addition, my skin (condition) has been so goodgreat.

You can use condition, but we usually just say "my skin is..."

Finally, I feltexperienced one more benefit.

If I wake up early, I have enough time to prepare toand get ready so that’s why I don’'t missed a train andor classes.

In conclusion, wake up early and I’you'll succeed.

Or "If I wake up early, I'll succeed."

Early to bed, early to rise, makes mye healthy, wealthy and wise.

You can also use the actual phrase here with "us". Both are okay.

Nowadays, I try to wake up early.

In British English, it can call “early riser” this meanswe call a person who wakes up early an "early riser".

I realized many benefits of itwaking up early.

In your last sentence, you talked about "early riser". In this sentence, the "it" you are referring to is the act of waking up early so you should define it for better clarity.

I used to didn’t wake up feel goodnot feel good when I woke up, but now I feel so refreshed.

Secondly, it is good for my health because after started this trialdoing this, I don’t have aeat dinner.

doing this = waking up early

I changed the usual eating time I instead ofto sleeping time.

More natural way to say this: "I changed the usual time I would eat to the time I go to sleep."

Finally, I felt one more benefit.

If I wake up early, I have enough time to prepare to get ready t. That’s why I don’t missed a the train or andy classes.

Furthermore, if I have energy, I can study and exercise.

In conclusion, if I wake up early and I’, I will succeed.

Early to bed, early to rise, makes mySleep early, wake up early, be healthy, wealthy and wise.

I think it’s a little bit difficult until you’re get used to it, but I’m sure you will be able to feel better toif you wake up early!

In British English, it can be called “early riser” t. This means a person who wakes up early.

I realized there are many benefits of itto waking up early.

I used to didn’not wake up feel gooding well, but now I feel so refreshed.

Secondly, it is good for my health because after having started this trial, I don’t have aeat dinner.

I changed the eating time I eat instead of sleeping timethe time I sleep.

Then I can detox and clean my body from insidewithin.

In addition, my skin condition has been so gooimproved.

Finally, I fcan feelt one more benefit.

If I wake up early, I have enough time to prepare toand get ready t. That’s why I don’t missed a the train andor classes.

In conclusion, wakeing up early meands I’ll succeed.

The sentence is actually fine, but sounds a bit awkward. I corrected it to sound better.

Early to bed, early to rise, makes mye healthy, wealthy and wise.

I think it’s a little bit difficult until you’re used to it, but I’m sure you will be able to feel better toafter wakeing up early!

The ending of the sentence "I’m sure you will be able to feel better to wake up early!" sounds awkward, so I edited it.