Manulang, Ony Veronika, Anita Rosari Dalimunthe, and Dewi Fibrini. “Hubungan Insomnia Dengan Kejadian Hipertensi Pada Lansia Di Puskesmas Rantang Kota Medan”. Ranah Research : Journal of Multidisciplinary Research and Development 7, no. 2 (December 28, 2024): 1074-1087. Accessed August 1, 2025. https://jurnal.ranahresearch.com/index.php/R2J/article/view/1289.