The Effect of Chromotherapy on Decreased Blood Pressure during Sleep in Hypertension Patients in Kupang, Indonesia

Abstract

Various efforts to prevent the increasing prevalence of deaths due to hypertension continue to be developed, including alternative medicine systems (CAMS). One of the alternative treatment methods recommended by the world, easy, cheap, and efficient is chromotherapy or light therapy. The purpose of this study was to look at the influence of chromotherapy in lowering blood pressure during sleep in hypertension sufferers. The research method used is quasy experiment with the design of one group pre- and posttest with a control group design. Sampling techniques are carried out using purposive sampling with the number of 120 respondents. The results of this study have proven that chromotherapy has a tremendous effect in lowering blood pressure by 10–30 mmHg during sleep 15–35 minutes by utilizing the blue and green spectrum that affects the work of the sympathetic and parasympathetic nerves so as to provide elements of relaxation and lower blood pressure. The pretest result of the treatment group obtained a mean from 172/96 to 158/93 mmHg, which showed a decrease while in the control group, there was no significant change with mean values of 166/96 and 166/97 mmHg.