Background: Anemia in pregnancy remains a major maternal health problem worldwide, with an estimated global prevalence of 37–40% and a considerable burden in Indonesia. Poor sleep quality has also been reported to aggravate anemia because it may interfere with erythropoiesis. Sweet potato leaves (Ipomoea batatas L.), a low-cost local food rich in iron and vitamin C, offer potential as a non-pharmacological intervention. Objective: This study examined the effect of Ipomoea batatas L. leaf drink on hemoglobin levels and sleep quality among pregnant women in Saitnihuta Village, Dolok Sanggul, in 2026. Methods: A quantitative quasi-experimental one-group pretest-posttest design was applied to 30 third-trimester pregnant women with mild anemia, selected through total sampling. The intervention consisted of a daily leaf drink for two weeks; data were analyzed using the Wilcoxon Signed Ranks Test. Results: Mean hemoglobin increased from 9.92 g/dL to 11.30 g/dL, with 80.0% of respondents reaching normal levels; good sleep quality increased from 10.0% to 86.7% of respondents. Both changes were statistically significant (p = 0.000). Conclusion: Ipomoea batatas L. leaf drink is an effective, inexpensive, and accessible complementary approach to improving hemoglobin levels and sleep quality in pregnant women, alongside routine antenatal care.
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