IRCT20190718044257N1 IRCT 2020-08-21 Sabzevar University of Medical Sciences effect of vitamin B6 on sleep in pregnancy Evaluation of the effect of vitamin B6 consumption in comparison with placebo on sleep disorder in the third trimester of pregnancy in pregnant women 2020-01-01 anticipated 96 Complete https://irct.ir/trial/41207 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Stratified sampling: For sampling, each person will be selected for inclusion in the study, and then the samples will be divided into two intervention groups (A(or control)B) based on 4_block design and random allocation. A 4_block will be used for sampling (AABB, ABAB, BBAA, BABA), Blinding description: The study was administered to the intervention group and the placebo control group. 3 sleep disorders. Intervention 1: Intervention group: A group that consumes 80 mg of vitamin B6 per night in a single dose for a week, so that mothers are taught to take 2 pills every night befor bed, one week after the intervention, the mothers are contacted for a visit. Intervention 2: Control group: The group that takes placebo(made by a factory with the same shape, size, color, taste, convexity and logo as the intervention group) for a week, and mothers are taught to take 2 pills every night befor bed, and will be visited the next week. No - There is not a plan to make this available Justification or reason for not sharing IPD is No more information.