The goal of this clinical trial is to learn adjusting daily or nightly routines improves executive functioning in youth with ADHD. It will also learn about the acceptability of the intervention. The main questions it aims to answer are: 1. Does the intervention improve sleep for youth with ADHD? 2. Does the intervention improve areas of executive functioning for youth with ADHD? 3. Is this an acceptable intervention for youth with ADHD? Researchers will compare the two intervention conditions to see if their are impacts in executive functioning and sleep. Participants will: Complete cognitive testing, executive function tasks, questionnaires, and an interview at baseline and at one month Wear an actigraph watch for one month Bring a parent with them to three meetings Complete daily sleep diaries for one month