Lao-amornphunkul, Suchanun, Nattaya Raykateeraroj, and Nuanprae Kitisin. “Assessment of sleep quality in the Intensive Care Unit: A comprehensive review of tools and techniques: Assessment of sleep quality in the ICU: A comprehensive review of tools and techniques”. Clinical Critical Care 33, no. 1 (February 13, 2025): e250004. accessed September 22, 2026. https://he02.tci-thaijo.org/index.php/ccc/article/view/272485.