The Bidirectional Association Between Depression and Insomnia

• DOI: 10.1097/psy.0b013e3182648619
• Publication Date: 2012-08-10T06:06:46Z
• Authors: Børge Sivertsen; Paula Salo; Arnstein Mykletun; Mari Hysing; Ståle Pallesen; Steinar Krokstad; Inger Hilde Nordhus; Simon Øverland
• Keywords: Depression

Depression and insomnia are closely linked, yet our understanding of their prospective relationships remains limited. The aim the current study was to investigate directionality association between depression insomnia.Data were collected from a population-based comprising most recent waves Nord-Trøndelag Health Study (HUNT) (the HUNT2 in 1995-1997 HUNT3 2006-2008). A total 24,715 persons provided valid responses on relevant questionnaires both surveys. outcomes onset or at not reporting other disorder HUNT2.Both significantly predicted disorder. Participants who did have but had an odds ratio (OR) 6.2 developing HUNT3. OR 6.7 ORs only slightly attenuated when adjusting for potential confounding factors.The results support bidirectional relationship depression. This finding stands contrast previous studies, which mainly focused as risk factor