I always recommend for parents to keep a journal. Log sleep, what’s eaten and times, medication taken and times, any really positive occurrences with time and details of before, during and after, and the same for any challenging times. Then, you can go back and look for patterns.
There’s an app teachers can use to log classroom behavior and such, but I can’t remember what’s it’s called.
ADDitude Community Moderator, Parenting ADHD Trainer & Author, Mom to teen w/ ADHD, LDs, and autism