Kosomsai, N., Tantrakul, V. and Liamsombut, S. 2024. Exploring Journey, Experiences, and Expectation of Sleep Disorder Patient Before and After COVID-19 Pandemic in Sleep Disorder Center. Research Medical Journal. 47, 2 (Jun. 2024), 21–33. DOI:https://doi.org/10.33165/rmj.2024.47.2.267867.