IRCT20211207053310N2 IRCT 2022-12-24 Ghoum University of Medical Sciences Investigating the effect of licorice on the sleep disorder of postmenopausal women Investigating the effect of licorice plant extract on sleep disorders in women during menopause 2023-01-05 anticipated 70 Complete https://irct.ir/trial/67557 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Selected centers: each center is assigned a code and the centers are selected through a lottery. Research unit: Based on block randomization, people are randomly divided into 18 blocks of 4, then each block will be randomly selected by throwing dice for eighteen times (until the allocation of patients to treatment groups is completed), Blinding description: Capsules (licorice and placebo) with the same appearance are placed separately inside the coded envelopes (A web). The participants and clinical researchers will be unaware of the content of A-web envelopes until the final stage of final information extraction. 3 Condition 1: Sleep disorder. Condition 2: menopause. Intervention 1: Intervention group: consumption of licorice capsules (containing 250 mg of licorice root aqueous extract) 3 times a day for one month. Intervention 2: Control group: consumption of capsules containing 250 mg of starch, 3 times a day for one month. No - There is not a plan to make this available Justification or reason for not sharing IPD is Participants' information remains confidential.