%0 Journal Article
%T The impact of headache and chronic musculoskeletal complaints on the risk of insomnia: longitudinal data from the Nord-Tr ndelag health study
%A Siv Steinsmo  deg rd
%A Trond Sand
%A Morten Engstr m
%A John-Anker Zwart and Knut Hagen
%J The Journal of Headache and Pain
%D 2013
%I BioMed Central
%R 10.1186/1129-2377-14-24
%X In this prospective study headache and CMSCs were risk factors for insomnia 11 years later.
%U http://www.thejournalofheadacheandpain.com/content/14/1/24/abstract