A Pilot Study of Cognitive-Behavioral Therapy of Insomnia in People with Mild Depression
Section snippets
Participants
This study included 10 participants recruited through newspaper advertisements in the Memphis, TN, area, which asked for individuals with insomnia and “mild” depression to volunteer for a free nonpharmacological treatment study. The mean age of the participants was 36.7 years old (range = 22 to 53; SD = 11.6), and the sample was comprised of 4 males and 6 females. Eight participants were European-American and 2 African-American. The average duration of insomnia was 9 years (SD = 9.5). Two
Response and relapse
We first performed McNemar chi-square analyses to determine if our CBTi intervention resulted in significant changes in insomnia and depression rates. We compared the number of patients with a pretreatment diagnosis of insomnia (see Sleep Diaries) and at least mild depression (BDI ≥ 9) to the number of patients with a post-treatment diagnosis of insomnia or at least mild depression (BDI ≥ 9). Of the 8 participants who completed CBTi, 100% (p = .008) no longer met the definition for insomnia (see
Discussion
CBTi alone was effective in ameliorating insomnia as well as depression in patients with comorbid insomnia and depression. All patients who completed treatment showed significant improvements in insomnia scores that were maintained at follow-up. In addition, depression scores showed a decreasing trend from pretreatment to posttreatment, and by follow-up evaluation, depression scores were significantly lower than pretreatment scores. Finally, among patients who completed CBTi, 100% no longer met
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2021, Journal of Affective DisordersCitation Excerpt :Troxel et al. (2012) discovered that prolonged sleep latency, insomnia, and short sleep duration predicted an increased risk of non-remission in depression. Furthermore, an experimental pilot study of individuals with comorbid depression and insomnia found that all participants no longer met criteria for insomnia and the majority reported non-clinical post-treatment depression scores after receiving cognitive-behavioral therapy for insomnia (CBT-I; Taylor et al., 2007). Sleep may also be a modifiable risk factor for seasonal and non-seasonal depression (Roecklein et al., 2013; Wescott et al., 2020).
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