"A disturbance of the circadian system may indeed be a core mechanism in ADHD, which could also link ADHD to other mental illnesses such as depression or bipolar disorder."
Citation: European College of Neuropsychopharmacology. (2017-09-11). Is ADHD Associated with Lack of Regular Circadian Sleep. Retrieved 2017-09-12, from https://www.disabled-world.com/health/neurology/adhd-autism/circadian.php
Direct Link: Is ADHD Associated with Lack of Regular Circadian Sleep - New research theory proposes Attention Deficit Hyperactivity Disorder (ADHD) may be a problem associated with lack of regular circadian sleep - European College of Neuropsychopharmacology
