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Fernanda De Lacerda Mottin

Doctor of Clinical Psychology, (Doctor of Clinical Psychology)
Study Completed: 2013
College of Humanities & Social Sciences


Thesis Title
Group treatment of anxiety-related insomnia using cognitive-behavioural therapy

Read article at Massey Research Online: MRO icon

Insomnia affects 25% of the New Zealand population and up to 33% of the worldwide population. Untreated insomnia incurs high economic costs and is detrimental to sufferers’ mental health, physical health, and quality of life. Ms de Lacerda Mottin highlighted that anxiety and arousal are involved in the development and maintenance of insomnia. However, few of the published treatment programmes she reviewed targeted all causal and maintaining factors as described in the literature: maladaptive behaviours and cognitions about sleep and insomnia, as well as somatic and cognitive arousal. The study investigated the effectiveness of a group therapy programme that targeted all the aforementioned factors. Her study provided evidence that a cost-effective group intervention was beneficial for symptoms of insomnia and anxiety, and also significantly improved participants’ quality of life. Treating anxiety first also appeared to optimise the effects of the insomnia intervention.

Dr Duncan Babbage
Professor Janet Leathem

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