Cost-effectiveness of cognitive behavioral therapy for insomnia comorbid with depression: Analysis of a randomized controlled trial.

Watanabe N, Furukawa TA, Shimodera S, Katsuki F, Fujita H, Sasaki M, Sado M, Perlis ML.
Psychiatry Clin Neurosci. 2015 Jun;69(6):335-43. doi: 10.1111/pcn.12237. Epub 2014 Oct 17.