Sleep as a predictive factor for the onset and resolution of multi-site pain: a 5-year prospective study. Aili K, Nyman T, Svartengren M, Hillert L. Eur J Pain. 2015 Mar;19(3):341-9. doi: 10.1002/ejp.552. PMID: 25055982

Prevalence of chronic widespread pain in a population-based cohort of patients with spondyloarthritis – a cross-sectional study. Mogard E, Bremander A, Lindqvist E, Bergman S. BMC Rheumatol. 2018 Apr 5;2:11. doi: 10.1186/s41927-018-0018-7. eCollection 2018....

The impact of chronic widespread pain on health status and long-term health predictors: a general population cohort study. Sylwander C, Larsson I, Andersson M, Bergman S. BMC Musculoskelet Disord. 2020 Jan 16;21(1):36. doi: 10.1186/s12891-020-3039-5. PMID:...

Relative Age Effect of Sport Academy Adolescents, a Physiological Evaluation. Ek S, Wollmer P, Karlsson MK, Peterson T, Thorsson O, Olsson MC, Malmborg JS, Dencker M. Sports (Basel). 2020 Jan 7;8(1). pii: E5. doi: 10.3390/sports8010005. PMID:...

Worse health status, sleeping problems, and anxiety in 16-year-old students are associated with chronic musculoskeletal pain at three-year follow-up. Malmborg JS, Bremander A, Olsson MC, Bergman AC, Brorsson AS, Bergman S. BMC Public Health. 2019 Nov 27;19(1):1565....