...when no matter what you do you are completely and entirely unable to achieve and overview and/or understanding of your huge network of vicious cycles, triggers, associations and memories, thus causing you to just say something along the lines of "my brain didn't like whatever" when something's up.
...you've been on the beginning of a panic attack four times this week and it's only Thursday.
...you stay up for 24 hours just to get a good night of sleep. Then you sleep through an insane thunder storm that woke up the whole town and cut the electricity, through your alarm and show up late for school. Also, because you finally had 8 hours of sleep again, your people-ask-if-you've-got-ADHD-energy has returned and you jump all over, climb everything, get hurt and get bruises all over again. Your friends also wonder how poorly you must have slept to have been so calm from the lack of sleep.
..."what's that thing ovah-- who's that guy I've seen him befo-- you know what's for dinner toda- hey what month is it again?"