The key role of daytime sleepiness in cognitive functioning of adults with attention deficit hyperactivity disorder.
Bartosz HelferNatali BozhilovaRuth E CooperJoanna I DouzenisStefanos MaltezosPhilip AshersonPublished in: European psychiatry : the journal of the Association of European Psychiatrists (2020)
These findings indicate that the cognitive performance deficits routinely attributed to ADHD and often conceptualized as cognitive endophenotypes of ADHD are largely due to on-task sleepiness and not exclusively due to ADHD symptom severity. Daytime sleepiness plays a major role in cognitive functioning of adults with ADHD.