I've been keeping this routine for about one year, so I feel restless without the studying in the morning study. I've been keeping this routine for about one year, so I feel restless without the studying in the morning.

What you wrote made sense, but putting the verb before the noun sounds more natural.

I've been keeping this routine up for about onea year, so I feel restless without the morning study. I've been keeping this routine up for about a year, so I feel restless without the morning study.

Adding "up" and saying "a" instead of "one" sounds more natural imo

I also make espresso in the morning when I have a time. I also make espresso in the morning when I have time.

NamelyFor me, I don't like a brusyhed morning, and this is why I need tobecause of this I go to bedsleep early. For me, I don't like a rushed morning, and because of this I go to sleep early.

I think you meant to say rushed? When you have a lot to do in the morning but you want to have enough time to do everything? I have never heard anyone use "namely" before. I am born and raised in the united states, it might be used in other English speaking countries but I have never heard it before.

Namely, I don't like a busy morning, and this is why I need to go to bed early. I don't like a busy morning, and this is why I need to go to bed early.

How do you make a free time every day? How do you make free time every day?

You do not need the "a" after make.

How do you make a free time every day? How do you make free time every day?

lLooking back now, I had a lot of time when I was a student. Looking back now, I had a lot of time when I was a student.

Nice! You just didn't capitalize the l in looking.

lLooking back now, I had a lot of time when I was a student. Looking back now, I had a lot of time when I was a student.

You could add something like "I realize": "I realize I had a lot of time" or "I realize how much time I had"