Days-Out-of-Role Associated With Insomnia and Comorbid Conditions in the America Insomnia Survey
Biological Psychiatry
http://www.ncbi.nlm.nih.gov/pubmed/?term=Days-Out-of-Role%20Associated%20With%20Insomnia%20and%20Comorbid%20Conditions%20in%20the%20America%20Insomnia%20Survey