Becker SP. ADHD and sleep: recent advances and future directions. Curr Opin Psychol. 2020 Aug;34:50-56. doi: 10.1016/j.copsyc.2019.09.006. Epub 2019 Sep 20. PMID: 31629217; PMCID: PMC7082190.American Physiological Society. (2019, April 8). More sleep may help teens with ADHD focus and organize: Study is first to find executive functioning skills deteriorate with lack of sleep. ScienceDaily. www.sciencedaily.com/releases/2019/04/190408081816.htmCoogan AN, & McGowan NM (2017). A systematic review of circadian function, chronotype and chronotherapy in attention deficit hyperactivity disorder. ADHD Attention Deficit and Hyperactivity Disorders, 07, 129–147. doi:10.1007/s12402-016-0214-5Becker SP, Kapadia DK, Fershtman CEM, Sciberras E. Evening circadian preference is associated with sleep problems and daytime sleepiness in adolescents with ADHD. J Sleep Res. 2020 Feb;29(1):e12936. doi: 10.1111/jsr.12936. Epub 2019 Oct 25. PMID: 31651076; PMCID: PMC6944746.