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Attention deficit hyperactivity disorder (ADHD) is a common neurodevelopmental condition characterised by impulsivity, inattention and hyperactivity. Aside from these core psychopathologies, sleep disturbances are found to be highly comorbid with ADHD, and indeed dysregulated sleep may contribute to some of the symptoms of the disorder. It is not clear how sleep disturbances come to be so common in ADHD, but one putative mechanism is through the circadian timekeeping system. This system underpins the generation of near 24-hour rhythms in a host of physiological, behavioural and psychological parameters, and is a key determinant of the sleep/wake cycle. In this paper we review the evidence for sleep and circadian rhythm disturbance in ADHD, examine the possible mechanistic links between these factors and the disorder and discuss future directions through which the circadian clock can be targetted for ADHD symptom relief.

Original publication

DOI

10.1016/j.pnpbp.2016.01.006

Type

Journal article

Journal

Prog Neuropsychopharmacol Biol Psychiatry

Publication Date

03/06/2016

Volume

67

Pages

74 - 81

Keywords

ADHD, Circadian, Sleep, Attention Deficit Disorder with Hyperactivity, Circadian Rhythm, Humans