Uhlig BL, et al. Insomnia and risk of chronic musculoskeletal complaints: longitudinal data from the HUNT study, Norway. BMC Musculoskelet Disord. 2018;19:128.（慢性痛のない13,429人を約11年。不眠→慢性の筋骨格の痛み 相対リスク 1.16、広い範囲の痛み 1.58）
Skarpsno ES, et al. Do physical activity and body mass index modify the association between chronic musculoskeletal pain and insomnia? Longitudinal data from the HUNT study, Norway. J Sleep Res. 2018;27:32-9.（慢性の痛み→不眠 相対リスク 女性2.27・男性1.58）いずれも観察研究。
Kelly GA, et al. The association between chronic low back pain and sleep: a systematic review. Clin J Pain. 2011;27:169-81.
Mulligan EP, et al. Sleep quality and nocturnal pain in patients with shoulder disorders. J Shoulder Elbow Surg. 2015;24:1452-7.
Selvanathan J, et al. Cognitive behavioral therapy for insomnia in patients with chronic pain: a systematic review and meta-analysis of randomized controlled trials. Sleep Med Rev. 2021;60:101460.（治療直後の効果量：睡眠 0.89、痛み 0.20）
McCurry SM, et al. Effect of telephone cognitive behavioral therapy for insomnia in older adults with osteoarthritis pain: a randomized clinical trial. JAMA Intern Med. 2021;181:530-8.（60歳以上327人。12か月後の不眠の寛解 56.3% vs 25.8%）
