Karnik, R., Peethambaran, K., & Adsule, S. (2017). A cross-sectional, multi-centric, epidemiology study to determine the prevalence of insomnia and related sleep habits in Indian hypertensive patients. International Journal of Research in Medical Sciences, 5(3), 787–798. https://doi.org/10.18203/2320-6012.ijrms20170508