Pain experienced before and after surgery in patients undergoing laparoscopic cholecystectomy adversely affects physiological parameters and sleep quality. This randomized controlled study was conducted to examine the effects of preoperative and postoperative inhalation lavender and geranium essential oil on patients undergoing laparoscopic cholecystectomy on pain, sleep, and physiological parameters. The study was completed with 3 groups and 150 people, namely the geranium oil group (n=50), lavender oil group (n=50) and control group (n=50). The ethics committee approval, informed consent of the individuals and the institutional permission were obtained. In the study, data were collected using the patient identification form, Richard-Campbell Sleep Scale and visual analog scale. Chi-square test,repeated measures one-way analysis of variance, and Spearman correlation analysis tests were used to assess the data. In the comparisons, the value of p<0.05 was accepted as significant.

Inclusion Criteria:

• Patients aged ≥18 years
• Hospitalized for laparoscopic cholecystectomy surgery,
• Alzheimer's, dementia etc. no disease,
• Having no perception problems (sense of smell, vision, hearing loss),
• Hospitalized the day before the operation,
• Patients who continue to stay in the hospital for at least one night after the operation will be included in the study.

Exclusion Criteria:

• Having any respiratory system disease (COPD, Asthma, etc.),
• Disturbed by the smell of essential oils,
• Any allergic diagnosis and history,
• Using anxiolytic, antidepressant,

There is no plan