Methodological Limitations and the Necessity of Objective Biomarkers in Linking Oral Frailty to Subjective Sleep Quality

Although Lin et al. highlighted the importance of oral frailty and sleep quality as key research areas, their methodologies still rely too heavily on subjective reporting. Incorporating objective indicators such as polysomnography and tongue pressure measurement is essential to verifying these findings. Data sharing not applicable to this article as no datasets were generated or analysed during the current study.