I was warned about attendance during probation. How do I rebuild my supervisor's and basically everyone's trust?

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I'm a psychologist currently on probation at a rehabilitation center. I have a 1.5-hour commute each way and earn less than 25k with 51-63 working hours.

Over the past few weeks, I've had several attendance issues, and I've already been warned about it.

Some of the absences have genuinely been due to health issues. Some were also because I've really struggled to become a morning person since moving to a new city, adjustment issues or seeing the work environment and now i do not fit anywhere..

Now the supervisor, other colleagues, manager has started to think that I am not reliable, and they have start to talk about me behind my back. Few colleagues told me so, and said that i might be pushed down the first" there are still 5 months left, infact I wanted them to reduce my probation. But I do not think I can tell them.

I work hard when I'm there, and I know attendance is my responsibility. But something also works against me.

What I'm most worried about is that I've already created an impression that I'm unreliable. Every time I have to send a leave message now, I feel like everyone in the group is judging me, and I can't even rest at home after being anxious about it or the work phone.

Has anyone been in a similar situation during probation? Were you able to rebuild your supervisor's trust after a rough start? If you were the supervisor, what would make you trust me again?

I really want to know how i can turn this around