A Exploratory Study of NatureU Sweet Dream on Sleep Outcomes

Inclusion Criteria: * Signed informed consent before the study and understood the study content, procedures, and possible adverse reactions. * Adult participant with mild to moderate sleep disturbance. * Able and willing to use the wearable sleep monitoring device according to study instructions. * Able to maintain normal diet and routine habits during the study. * Able to avoid alcohol during the study period. * Able to avoid excessive exercise 2 hours before sleep during test nights. * Able to take the assigned product with warm water 1 hour before sleep during test nights. * Willing to complete the full study procedures and provide sleep monitoring data. Exclusion Criteria: * Known allergy or hypersensitivity to the study product, comparator product, or any related ingredients. * Severe sleep disorder or other condition judged by the investigator to make participation inappropriate. * Acute or chronic illness that could affect sleep assessment or participant safety. * Use of medications, supplements, or procedures that could affect sleep outcomes during the study period. * Alcohol intake or other behavior likely to interfere with sleep testing. * Inability to use the wearable monitoring device or mobile application as required. * Serious protocol deviation or inability to tolerate the test food. * Any factor that could seriously affect study results. * Any other reason judged by the investigator to require withdrawal or exclusion.