A Randomized Controlled Trial of Mindfulness Meditation for Chronic Insomnia: Effects on Daytime Symptoms and Cognitive-Emotional Arousal

Mindfulness-based interventions (MBI) have been shown to improve sleep quality among people with insomnia. However, much less is known about the effects of MBIs on other aspects of insomnia such as daytime symptoms and cognitive-emotional arousal. The purpose of this study was to examine the treatment effects on these domains for adults with chronic insomnia disorder who were randomized to mindfulness-based stress reduction (MBSR), mindfulness-based therapy for insomnia (MBTI), or a delayed-treatment control consisting of sleep diary self-monitoring (SM) followed by behavior therapy (BT). Analyses were conducted on baseline to post-treatment changes with superiority comparisons for each MBI to SM followed by non-inferiority comparisons for each MBI to BT. The results revealed significant reductions from baseline in the MBTI group with large effect sizes on sleep effort, maladaptive sleep-related cognitions, and hyperarousal which were superior to the SM control (p