1.Grandner MA, Winkelman JW. Nocturnal leg cramps: Prevalence and associations with demographics sleep disturbance symptoms, medical conditions, and cardiometabolic risk factors. PLoS ONE. 2017;12(6):e01784.
2.Franklin KA, Lindberg E. Obstructive sleep apnea is a common disorder in the population—a review on the epidemiology of sleep apnea. J Thorac Dis. 2015 Aug;7(8):1311–22.
3.Ohayon MM, Roth T. Prevalence of restless legs syndrome and periodic limb movement disorder in the general population. Journal of Psychosomatic Research. 2002 Jul;53(1):547–54.
4.Haba-Rubio et al. Prevalence and Determinants of REM Sleep Behavior Disorder in the General Population. Sleep. 2017 Dec 5. doi: 10.1093/sleep/zsx197
5.Stallman HM, Kohler M. Prevalence of Sleepwalking: A Systematic Review and Meta-Analysis. PLoS One [Internet]. 2016 Nov 10 [cited 2019 Oct 6];11(11).