Clinical Research Directory

Inclusion Criteria: * Age 30 to 70 years * Self-identify as having a Filipino background and reside in the United States * Poor sleep quality, defined as a Pittsburgh Sleep Quality Index (PSQI) score ≥ 5 * Short sleep duration, defined as an average Fitbit-measured total sleep time \< 7 hours/night over 7 days * Able to speak and read English * Willing to engage with the chatbot via text messaging Exclusion Criteria: * Severe mental disorders, including major depressive symptoms * Medical conditions, including cognitive impairment, that may interfere with the ability to follow study procedures * Current participation in another lifestyle intervention * Night-shift or rotating-shift worker * Alcohol or substance abuse * Use of sleep medications more than 3 times per week