This is the correct amount of effort for a thread like this.

Ask for the longer appointment slot. Ten minutes is not enough for a complex history and pretending otherwise wastes both your time.

Log dose, time and sleep. Ten seconds a day and it turns the anecdote into something you can look at.

You are not imagining it and you are not being difficult. Document it and take the document in.

Written confirmation email after every phone call. Cheapest insurance there is.