Clinical Research Directory

Inclusion Criteria: 1. Age 60 years or older. 2. Subjective poor sleep for at least 3 months. 3. Pittsburgh Sleep Quality Index (PSQI) total score greater than 5. 4. Willing and able to complete study assessments and the 6-week intervention. 5. Mini-Mental State Examination (MMSE) score of 24 or higher. 6. Provides written informed consent. Exclusion Criteria: 1. Diagnosed dementia, Parkinson disease, or another progressive neurodegenerative disorder. 2. Stroke or severe head injury within the prior year. 3. Unstable major psychiatric illness. 4. AD8 score of 2 or higher or Geriatric Depression Scale (GDS) score of 5 or higher. 5. Severe sensory or comprehension problems that prevent study participation. 6. Night-shift work or frequent recent transmeridian travel. 7. Current CPAP or BiPAP use, or severe obstructive sleep apnea requiring immediate treatment, such as an apnea-hypopnea index greater than 30 with oxygen desaturation. 8. Use of 3 or more hypnotic medications with inability to maintain a stable dose. 9. Contraindication to magnetic resonance imaging. 10. Major neck surgery, neck radiation, or vascular anomaly that interferes with jugular ultrasonography. 11. Severe unstable systemic disease. 12. Severe coagulopathy or anticoagulation that makes acupuncture unsuitable. 13. Infection or wound at an acupuncture site. 14. Severe gait instability or inability to attend scheduled visits. 15. Any other condition that the investigator considers unsuitable for participation.