Any advice that starts with “just…” is automatically invalid.
… Make a list and do one at a time.
… Set a reminder.
… Install some time-tracking productivity software on your phone or computer.
… Go for a walk and clear your head.
… Keep a jug of water nearby.The one that got me when I was still undiagnosed still infuriates me to this day.
You just need to apply yourself more.
I tried that and went from a 90 average slacking off to a 92 burning myself out “applying myself” in place of any activity that brought me joy.
I often find some ADHD people (myself included for a long time) for some reason automatically shun the simple ideas like this. ALOT of them really are helpful and it does take ALOT of will power. Especially for someone with executive function disorder.
Maybe I’m just a one off case but after putting in years of effort the habits I made have really helped me. And I can feel the damage that occurs when I stop doing them.