Comparing the effect of emotional freedom technique on sleep quality and happiness of women undergoing breast cancer surgery in military and nonmilitary families: A quasi-experimental multicenter study.

Purpose: The aim of this study was to compare the effect of emotional freedom technique (EFT) on sleep quality and happiness of women who underwent breast cancer surgery and lived in military and nonmilitary families.

Design And Methods: The patients were randomly divided into four groups of military intervention (n = 34), nonmilitary intervention (n = 33), military control (n = 31), and nonmilitary control (n = 35). Data were collected using demographic information form, Pittsburgh Sleep Quality Index, and Oxford Happiness Questionnaire.