Limitations
sleep disorders
OBSTRUCTIVE SLEEP APNEA, PERIODIC LIMB MOVEMENT DISORDER
This study has several limitations. First, this is a single-center, preliminary RCT study with women being overrepresented (approximately 70% of the sample). A larger sample size is needed to validate our findings. Second, the objective evaluation of sleep was performed using a consumer-grade smart bracelet rather than with medical actigraphy, and the quality of sleep parameter measures varies between these products. Third, participants with other sleep disorders, such as periodic limb movement disorder and obstructive sleep apnea, were not excluded from this study. Additionally, there may be a population selection bias, as participants were mainly from Beijing, China.