Multiple Causality in the Impairment of Daytime Functioning Associated with Insomnia: Is it Time to Reconsider Insomnia Subtypes?

Kenichi Kuriyama
2013 Journal of Sleep Disorders and Therapy  
doi:10.4172/2167-0277.1000116 fatcat:hqt5lt2lvffhnkdgsvhnwm4oyu