Cognitive arousal is the state of mental activation — intrusive thoughts, worries, planning — that prevents the transition to sleep or causes nighttime awakenings. It is the central cognitive factor in chronic insomnia and explains why people who most want to sleep have the greatest difficulty: intention activates the system.
Concept origin
Espie (2002) developed the Attention-Intention-Effort (A-I-E) inhibition model, which explains how excessive effort to sleep paradoxically produces insomnia. Harvey (2002) complemented the cognitive model by detailing the role of threat monitoring and dysfunctional beliefs.
How it manifests
- ▸ Active mind with chained thoughts at bedtime
- ▸ Worry about sleep ("Will I be able to sleep tonight?")
- ▸ Constant monitoring of the clock or own sleep level
Therapeutic approach
Cognitive offloading techniques (writing down worries before bed), guided imagery, and mindfulness meditation reduce cognitive arousal. CBT-I addresses the beliefs that fuel counterproductive effort.
Related concepts
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