The authors presented research data to indicate that high school student athletes with ADHD did not require more recovery time than neurotypical student athletes. Student athletes with ADHD were able to return to school, and to play, within the same recovery times as their neurotypical pee
Cook, N. E., Iverson, G. L., Maxwell, B., Zafonte, R., & Berkner, P. D. (2020). Adolescents with ADHD do not take longer to recover from concussion. Frontiers in Pediatrics, 8.
https://www.frontiersin.org/articles/10.3389/fped.2020.606879/full