Behav Res Ther. 2013 Feb 26;51(6):240-246. doi: 10.1016/j.brat.2013.02.004. [Epub ahead of print]
Control and coping in chronic insomnia: A daily diary study.
Source
Department of Clinical Health Psychology, University of Manitoba, Canada. Electronic address: NVincent@exchange.hsc.mb.ca.
Abstract
This daily diary study evaluated the relationships between perceived control over sleep, coping with sleeplessness, and subjective sleep in a sample of 45 adults with chronic insomnia. For seven consecutive days, newspaper-recruited adults completed daily self-report measures of perceived control, coping, general fatigue, mood, and sleep. Using a mixed-model analysis with SAS, we examined the lagged impact of perceived control and coping (either assimilative or accommodative) on next day sleep, mood, and fatigue. Results showed that perceived control over sleep was a significant predictor of next day sleep quality. For those with more chronic presentations, perceived control over sleep was a significant predictor of next day accommodative coping. Results indicated that those with more chronic presentations were more likely to use accommodative coping, and that this was associated with worsened next-day mood and no improvements in sleep. Implications of these findings are that changes in perceived control precede, and do not follow from, changes in sleep. Additionally, results suggest that accommodative coping should be discouraged as it is more likely to worsen next-day mood.
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