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

Bring a list. Embarrassment makes everyone forget things, including you.

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

File early. The window is shorter than people think and it starts at the transaction. Side effects was my main issue with a personal use allowance too…

Test one thing at a time. It feels slower and it is the only way to learn anything.