Academic Staff

Dr. Chung

Dr. CHUNG Ka Fai 鍾家輝

MBBS(HK), MEd W'gong, MRCPsych, FHKCPsych, FHKAM(Psychiatry)

Clinical Associate Professor
Director of Graduate Research Studies
Chairperson of the Departmental Research Postgraduate Committee
Honorary Consultant
The HKU Scholars Hub Page address:
Scopus Author ID: 57194128409

Research Interests:

Full Publication List

Selected Publications:


*Chung KF, Yeung WF, Ho FY, Yung KP, Yu YM, Kwok CW. Cross-cultural and comparative epidemiology of insomnia: the Diagnostic and Statistical Manual (DSM), International Classification of Diseases (ICD) and International Classification of Sleep Disorders (ICSD). Sleep Medicine 2015;16:477-482 (Citation according to Scopus: 34).

We are the first group to examine the prevalence of insomnia disorder by the DSM-5, the newest version of DSM using a structured diagnostic interview. This study provides important data on the prevalence of insomnia in Hong Kong.

2. Ho FY, *Chung KF, Yeung WF, Ng TH, Kwan KS, Yung KP, Cheng SK. Self-help cognitive-behavioral therapy for insomnia: a meta-analysis of randomized controlled trials. Sleep Medicine Reviews 2015;19C:17-28 (Citation according to Scopus: 67).

We are interested in using non-drug treatments for insomnia in Hong Kong and this review article serves the foundation of our future studies of cognitive-behavioral therapy for insomnia. The paper has been cited 67 times since its publication in 2015.

3. *Chung KF, Yeung WF, Yu YM, Yung KP, Zhang SP, Zhang ZJ, Wong MT, Lee WK, Chan LW. Acupuncture for residual insomnia associated with major depressive disorder: a placebo- and sham-controlled, subject- and assessor-blind, randomized trial. Journal of Clinical Psychiatry 2015;76:e752-760 (Citation according to Scopus: 23).

This study is funded by the Health Services Research Committee and belongs to the third of our series of randomized controlled trials examining the efficacy of acupuncture for insomnia. We modified our acupuncture regime and included some acupoints on the limbs that are not used in our previous studies. In addition, we selected acupoints for acupuncture and minimal acupuncture that are similarly located. Although acupuncture was well tolerated, we found that its efficacy was only mild and similar to that of minimal acupuncture. The finding underscores the difficulties in the treatment of residual insomnia associated with major depressive disorder. Our series of randomized controlled trials allows us to perform a number of secondary analyses on various topics, such as acupuncture-related adverse events and predictors of acupuncture response. Our studies also form a foundation for our success in attaining a Health and Medical Research Fund on combined electroacupuncture and auricular acupuncture for the treatment of insomnia.

4. *Chung KF, Yeung WF, Yu BY, Leung FC, Zhang SP, Zhang ZJ, Ng RM, Yiu GC. Acupuncture with or without combined auricular acupuncture for insomnia: a randomised, waitlist-controlled trial. Acupuncture in Medicine 2018;36:2-13 (Citation according to Scopus: 2)

This study aims to examine whether combining acupuncture and auricular acupuncture is more effective for insomnia than acupuncture alone. Data generated from our studies allow us to perform several secondary analyses on the predictors of a positive response and adverse events of acupuncture. The study is funded by the Health Services Research Committee.