“Nothing happens until the night before it’s due.”
Your teen isn’t ignoring Friday. Friday doesn’t exist. ADHD brains keep time in two zones, now and not-now, and a deadline in not-now is a rumor. Thursday at 9 p.m. it crosses into now, panic supplies the missing urgency, and the work finally starts, at the worst possible price. The panic isn’t manipulation. It’s the only start button the brain has found. This strategy installs a cheaper one.