Linda Adriani, Zulkifli Zulkifli, Zuheri Zuheri and Rohana Rohana 2026. The Effect of Post-Flood Trauma on the Sleep Quality of Elderly People in Teupin Banja Village, Muara Batu District, North Aceh Regency. International Journal of Health Engineering and Technology. 4, 5 (Jan. 2026). DOI:https://doi.org/10.55227/ijhet.v4i5.574.