Efficacy and safety of Lavender aromatherapy on sleep quality and metabolic parameters of patients with diabetes mellitus type II and insomnia

Considering the high prevalence of sleep disturbance in diabetic patients and the effectiveness of lavender oil in sleep disorders in this study, the effect of lavender on sleep disorders and metabolic factors in type 2 diabetes patients will be studied.This study is designed as Cross-over double-blind placebo-controlled randomized clinical trial. 40 patients with diabetic type2 and sleep disorder with the inclusion criteria will enter into the study and randomly assign to first intervention group and first placebo group. The patients inintervention group pour 3 drops of Lavender essential oil on a cotton wool then smell it rhythmic and slowly for 5 minutes at bed time for 4 weeks and the placebo group pour 3 drops of placebo oil on a cotton wool then smell it rhythmic and slowly for 5 minutes at bed time for 4 week. After 1 week washout the patients will be crossed-over. Some inclusion criteria are age between 25-65 years old, Fasting Blood Sugar between 70-130, 2 hour post prandial glucose less than 180, HbA1C less than 7 and Sleep disorder according to Pittsburgh Insomnia Rating Scale more than 5. Some exclusion criteria are any systemic illnesses, Use of sedative or antidepressant drugs, Anosmia, History of allergic reaction to Lavender and headache that start with smell. Primary outcom will be changed in sleep disorder and also metabolic parameters.

Shiraz University of Medical Sciences