Jesus, Dionencia Nahak De, and Dewi Prabawati. “Effectiveness of Relaxing Breathing Exercise on Sleep Quality and Control of Blood Sugar Levels in Chronic Diabetes Mellitus Patients: A Literature Review”. Jurnal Keperawatan Florence Nightingale, vol. 8, no. 1, June 2025, pp. 71-77, doi:10.52774/jkfn.v8i1.355.