Clinical Research Directory

Inclusion Criteria: * Participants between 18 and 70 years, with potential symptoms of snoring at night, daytime sleepiness, or self-reported poor sleep quality, suspected of having OSA. * Participants who are willing to undergo overnight PSG. Exclusion Criteria: * Participants with presence of severe cardiovascular or cerebrovascular diseases, or significant impairment of liver, kidney, or lung function. * Participants with concurrent unstable respiratory diseases or other acute-phase respiratory illnesses. * Participants using, at long term or currently, barbiturates, benzodiazepines, sedatives, or other medications that may affect sleep. * Participants undergoing continuous positive airway pressure (CPAP) therapy or other sleep-related treatments on the study night. * Participants coexisting insomnia, parasomnia, or other sleep disorders. * Participants with psychiatric disorders. * Participants refusing to sign the informed consent form. * Participants unable to cooperate with the required examinations. * Participants with any other conditions deemed unsuitable for inclusion by the investigators.