Inclusion Criteria:  Working in cardiovascular intensive care for at least 6 months Having a headache at least once a week No physical disability Those who do not have a neurological diagnosis (having cerebrovascular disease, multiple sclerosis, etc.) No psychiatric diagnosis Not applying any complementary methods at the time the research was conducted. Nurses who volunteered to participate in the study  Exclusion Criteria:  Nurses followed up with the diagnosis of end-stage renal disease, Chronic Obstructive Pulmonary Disease, advanced heart failure, chronic liver disease, musculoskeletal problem, hypothyroidism and depression Having physical and mental health problems that prevent communication Nurses who practiced any complementary method (relaxation exercise, yoga, etc.) during the study.