“…The goal of this study was to examine the effectiveness of sleep interventions on sleep in adults with an ID. There is evidence, however, that sleep improvement can be a secondary consequence of mental health or lifestyle interventions (Altabet, Newman & Watson-Johnson 2001;Biswas, Bhaumik & Branford 2001;Verhoeven, Egger, Willemsen, de Leijer & Kleefstra 2012;Wilhite, Biren & Spencer 2012;Majeske, Garakani, Maloutas, Bryson & Kellner 2013). As having an ID is frequently comorbid with other physical, behavioural and mental health conditions, sleep disruption is often an indirect consequence of co-morbidity.…”