Patient Description, Fatigue Severity Scale and Pittsburgh Sleep Quality Index were applied to the patients at the first interview. Lavender oil in 15 ml opaque dark colored bottles closed with metal caps to prevent volatility to the venture group (Oleum Lavandula Angustifolia/ HACCP, Halal Food, ISO 22000:2005, ISO 14001:2015, ISO 9001:2015, ISO 45001:2018) certificates) and 40 2×2 cotton pads were delivered. Studies have reported that the most common use of aromatherapy is three drops, three days a week. Patients were asked to apply lavender oil 30 minutes before going to bed. Deep breathing increases the concentration of aromatic substances in the body. The time it takes for essential oils to be absorbed into the blood circulatory system is about 30 minutes for complete absorption by the body.
