Caregiver Training? (Florida)

My 90 yo, mobility challenged, defiant mother and I share an apartment in Melbourne FL. We've been here for a year and a half during which time I serve as her primary care giver. I'm noticing some dementia (disorientation and panic) when she wakes up and sleep has increased to 18 hours a day. She uses a walker in the house and mobility scooter to go to doctor's appointments. That's the gist. But I am feeling lost and in a constant state of anxiety (tightness in my chest) as to what to do for her. Is there caregiver training - with a human being? I'm internet savvy and have read so much my brain feels like it is going to explode. Am look for one on one or a class room setting or webinar or ??? Suggestions? Advice? Thank you, Julie