OBJECTIVE: Elevated pre-sleep arousal has been consistently associated with insomnia, yet the cognitive-emotional mechanisms involved in sleep-related arousal remain unclear. The purpose of this study was to identify predictors of pre-sleep arousal and trait hyperarousal from a set of variables that included self-reported affect, sleep-related cognitions, locus of control, and gender. METHODS: Cross-sectional data were analyzed for 128 participants (89 females) who met criteria for psychophysiological insomnia and completed a set of questionnaires that included the beliefs and attitudes about sleep (BAS), positive and negative affect schedule (negative subscale (nPANAS) and positive subscale (pPANAS)), sleep locus of control (SLOC), Pre-Sleep Arousal Scale (PSAS), hyperarousal scale (HAS) and demographic information. Step-wise regression was conducted with a set of independent variables, with PSAS and HAS serving as separate dependent variables. RESULTS: Trait hyperarousal was associated with higher levels of both negative and positive emotionality, as well as negative beliefs about sleep, in both genders. Pre-sleep arousal was associated with greater negative emotionality and internal sleep locus of control, varying by gender. Among women, high pre-sleep arousal was associated with negative emotionality, while in men greater pre-sleep arousal was associated with an internal sleep locus of control. CONCLUSION: These findings have clinical implications, suggesting that men and women may require different cognitive targets when addressing pre-sleep arousal.
OBJECTIVE: Elevated pre-sleep arousal has been consistently associated with insomnia, yet the cognitive-emotional mechanisms involved in sleep-related arousal remain unclear. The purpose of this study was to identify predictors of pre-sleep arousal and trait hyperarousal from a set of variables that included self-reported affect, sleep-related cognitions, locus of control, and gender. METHODS: Cross-sectional data were analyzed for 128 participants (89 females) who met criteria for psychophysiological insomnia and completed a set of questionnaires that included the beliefs and attitudes about sleep (BAS), positive and negative affect schedule (negative subscale (nPANAS) and positive subscale (pPANAS)), sleep locus of control (SLOC), Pre-Sleep Arousal Scale (PSAS), hyperarousal scale (HAS) and demographic information. Step-wise regression was conducted with a set of independent variables, with PSAS and HAS serving as separate dependent variables. RESULTS: Trait hyperarousal was associated with higher levels of both negative and positive emotionality, as well as negative beliefs about sleep, in both genders. Pre-sleep arousal was associated with greater negative emotionality and internal sleep locus of control, varying by gender. Among women, high pre-sleep arousal was associated with negative emotionality, while in men greater pre-sleep arousal was associated with an internal sleep locus of control. CONCLUSION: These findings have clinical implications, suggesting that men and women may require different cognitive targets when addressing pre-sleep arousal.
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