The Effect of Training About Sleep Hygiene on HbA1c Levels of Type 2 Diabetes Mellitus Patients: A Randomized Controlled Trial

Abstract

Objective: In this study, we aimed to reveal whether training on sleep hygiene have an effect on blood glucose regulation of type 2 diabetes patients. Materials and methods: Those with even protocol numbers were included in the case group and those with odd numbers were included in the control group. Pittsburgh sleep quality index was applied face-to-face to all patients included in the study and at the first admission sleep hygiene training was given to the case group. HbA1c values were noted separately as first and second visit for both groups. Those with known sleep disorders and language or psychiatric problems that would prevent them from answering the questionnaire were excluded from the study. Differences between demographic and clinical features of groups were evaluated using chi-square and Student’s t -tests. Comparisons of the case and control groups before and after sleep hygiene training were evaluated using ANCOVA test adjusted for BMI and DM duration. Results: A total of 347 Type 2 diabetes patients included in this randomized controlled trial (113 case 234 control). Significant difference was observed in the HbA1c values measured before and after the training of the case group. The second mean HbA1c (8.13 ± 2.03 mmol/L) of the control group was significantly higher than the second mean HbA1c (7.51 ± 1.42 mmol/L) values of the case group (p = 0.004). Conclusions: Our study revealed that in addition to classical diabetes treatment, sleep hygiene training also has a positive effect on blood glucose regulation of patients.