The study is planned to be conducted in a mixed research design with quantitative and qualitative types. The quantitative phase of the study was planned as a single-blind, randomized controlled study with Reiki group, Sham Reiki group and control group designs in order to examine the effect of second-level (remote application) Reiki applied to patients with diabetic neuropathy for 20 minutes a day for four days on pain intensity, neuropathic pain intensity (DN4 Questionnaire) total scores and sleep quality. The qualitative study will be conducted with 4 people from the Reiki and Sham Reiki groups, a total of 8 patients, one week after the application, using the individual in-depth interview method and a semi-structured questionnaire.