The effects of aromatherapy on the anxiety and sleep quality of the patients with COVID-19

INTERVENTION: Intervention 1: Intervention group: includes aromatherapy with lavender essential oil (Zardband company) for the intervention group. The intervention in 3 consecutive nights and lasts 20 minutes each night; For aromatherapy, 2 drops of 2% lavender essential oil will be dropped on a napkin and will be attached it to the patient's clothes near the nose. Intervention 2: Control group: on 3 consecutive nights and every night for 20 minutes; 2 drops of distilled water will be dropped on a napkin and will be attached it to the patient's clothes near the nose. CONDITION: COVID‐19. ; COVID‐19, virus identified U07.1 PRIMARY OUTCOME: Anxiety. Timepoint: Before the intervention and after the intervention for 3 consecutive nights. Method of measurement: Spielberger state‐ trait anxiety. Sleep quality. Timepoint: Before the intervention and on the morning of the fourth day at the end of the intervention. Method of measurement: Verran and Snyder‐Halpern Sleep Scale. INCLUSION CRITERIA: Confirmed COVID‐19 Physical and mental ability to answer questions Ability to understand and speak Persian Being able to give informed consent