Psychiatr Pol
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To evaluate the efficacy of cognitive behavioral therapy (CBT-I) in chronic insomnia treatment. ⋯ The CBT-I produced a sustained, clinically meaningful improvement in nocturnal sleep and daytime functioning.
To evaluate the efficacy of cognitive behavioral therapy (CBT-I) in chronic insomnia treatment. ⋯ The CBT-I produced a sustained, clinically meaningful improvement in nocturnal sleep and daytime functioning.