Effects of cognitive-behavioral therapy for insomnia on polysomnographic parameters in fibromyalgia patients
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2012
- handle: 10670/1.qfn5ox
- 1697-2600
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http://www.redalyc.org/revista.oa
International Journal of Clinical and Health Psychology
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Ana I. Sánchez et al., « Effects of cognitive-behavioral therapy for insomnia on polysomnographic parameters in fibromyalgia patients », International Journal of Clinical and Health Psychology, ID : 10670/1.qfn5ox
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Résumé
"This study aimed to evaluate the efficacy of cognitive-behavioral therapy for insomnia (CBT-I) on polysomnographic parameters in patients with fibromyalgia (FM). Twenty-six women with FM participated in the study and were randomly assigned to a CBT-I (n = 13) group or sleep hygiene (SH) condition (n = 13). The evaluation consisted in two interview sessions and domiciliary polysomnography study before and after treatment. The results show that time-in-bed and wake percentage diminish after CBT-I. Improvements were also observed in sleep efficiency, which was close to normal levels. The percentage of NREM stage 1 sleep decreased and NREM stages 3 sleep and 4 increased. Similarly, light sleep (stages 1 and 2) diminished and deep sleep increased (stages 3 and 4) after CBT-I. No improvements were observed in any of these parameters in the individuals undergoing SH therapy. This randomized controlled trial provides new evidence that the use of CBT-I in FM patients can significantly improve objective sleep parameters."