Kamphoosaen, Pornsiri, Yuwadee Itarat, Piracha Tangtrongpairoj, Kanokphon Butmarasri, Wiratchanee Sukkawattananon, and Namphet Jumpathong. 2023. “Sleep Quality and Associated Factors during Pregnancy”. Thai Journal of Obstetrics and Gynaecology 31 (6). Bangkok, Thailand:439-46. https://doi.org/10.14456/tjog.2023.48.