One study found that out of 144 pregnant women, there were 26.4% experienced antenatal anxiety. During pregnancy, there are changes in anatomy and physiology that cause discomfort which can affect sleep patterns and quality. Sleep quality in pregnant women is often associated with anxiety but there are still conflicting from several studies. The aim of this study was to demonstrate the relationship between anxiety levels in facing childbirth with sleep quality among pregnant women in third trimester. This is quantitative study with a cross-sectional approach. Data collection was conducted at Lulu’s Independent Midwifery Practice Surabaya in June-September 2023. Data were analyzed using The Spearman Rank Test and Cross Tab statistical test. The result obtained was 52 respondents who met the criteria and the most of the respondents were ≤30 years old (71.2%), 28-35 weeks of gestational age (28.8%), multigravida (57.7%), previous type of delivery were vaginal delivery (88%), final education level was High School/Vocational Education (67.3%), and being housewife (53.8%). A total of 16 (30.8%) pregnant women experienced mild-moderate anxiety and 2 (3.8%) pregnant women experienced moderate-severe anxiety. There were 27 (51.9%) pregnant women who had poor sleep quality. There was a strong relationship (p <0.01, r=0.617) between anxiety levels in facing childbirth and sleep quality among pregnant women in third trimester.