The efficacy of lavender oil on fatigue and sleep quality in patients with hematological malignancy receiving chemotherapy: a single-blind randomized controlled trial.

Purpose: The aim of this study is to evaluate how aromatherapy with the inhalation of lavender oil affects fatigue and sleep quality in patients with hematological malignancies undergoing chemotherapy.

Methods: This randomized, parallel-group study was carried out in the Adult Bone Marrow Transplant unit and Hematology-Oncology clinics between January 2022 and April 2023. A total of 120 patients were assigned to experimental and control groups by randomization.