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Sleep Medicine, Surgery & Science

Our Care Team

Contact Information
Sleep & Assisted Ventilation Centre, Changi General Hospital, Medical Centre, Level 2
(65) 6850 3333

The Department of Sleep Medicine, Surgery & Science at Changi General Hospital (CGH) is one of the largest sleep centres in Singapore dedicated to the management of sleep disorders, promotion of sleep health and research.

Our integrated care model is provided by a comprehensive team of sleep specialists ranging from Ear, Nose & Throat (Otolaryngology), Respiratory Medicine, Dental, Neurology, and Psychological Medicine to lifestyle modification and weight management programmes involving Sports Medicine, Endocrinology and Bariatric Surgery.

The CGH Sleep Laboratory is accredited by the prestigious Australasian Sleep Association and National Association of Testing Authorities. The lab is equipped with diagnostic capabilities that can conduct over 1000 sleep studies a year by our highly trained sleep technologists.

CGH Insomnia Brochure [ 3.20MB | PDF ]

Clinical Services

Outpatient Services

  • Specialists sleep clinics
  • Advanced nurse practioner sleep clinics
  • Chronic Non-invasive Ventilation service
  • Positive airway pressure (PAP) therapy
  • Cognitive behavioural therapy (CBT)

Outpatient Sleep Studies

  • Home sleep studies
  • Home oximetry
  • Actigraphy

Inpatient Sleep Studies

  • Overnight diagnostic polysomnography (PSG)
  • Continuous positive airway pressure (CPAP) titration sleep study
  • Bilevel positive airway pressure (BiPAP) titration sleep study
  • Multiple sleep latency test (MSLT)
  • Multiple wakefulness test (MWT)


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Our Care Team

Chief and Consultant
Tan Kian Hian Dr

Clin Asst Prof Wong Hang Siang


Specialty: Respiratory and Critical Care Medicine, Sleep Medicine

Deputy Chief
Tan Kian Hian Dr

Adj Asst Prof Alvin Tan Kah Leong

MBChB, MRCSEd, M.Med (Surgery), DOHNS, GDOM, M.Med (Sleep Medicine)

Specialty: Otolaryngology (Ear, Nose & Throat)

Sub-specialty: Sleep Apnoea Surgery

Deputy Director
Tan Kian Hian Dr

Clin Asst Prof Mok Yingjuan

MMed (Sleep Medicine), MRCP(UK), MMed (S’pore), MBBS

Specialty: Respiratory and Critical Care Medicine

Sub-specialty: Sleep Medicine

Tan Kian Hian Dr

Clin Asst Prof Ong Pui Sim

MBBS (Spore), MMed (Psychiatry)

Specialty: Psychological Medicine

Senior Consultant
Tan Kian Hian Dr

Clin Asst Prof Avinash Gobindram


Specialty: Anaesthesiology

Tan Kian Hian Dr

Prof Hsu Pon Poh

MBBS, FRCS (Edinburgh), FRCS (Glasgow), M.D. (Doctorate by Research & Thesis), FAMS (ORL), Grad Dip (Healthcare Management and Leadership)

Specialty: Otolaryngology (Ear, Nose & Throat), Head & Neck Surgery

Sub-specialty: Sleep Medicine
Tan Kian Hian Dr

Clin Asst Prof Lim Chau Sian

MBBS, MMed (Psychiatry), FAMS

Specialty: Psychological Medicine

Visiting Consultant
Tan Kian Hian Dr

Dr Eric Lye Kok Weng

Tan Kian Hian Dr

Dr Xu Zheyu

BA, MB BChir (Cambridge), MA, FRACP (Australia)

Specialty: Neurology, Neurology

Sub-specialty: Movement Disorders, Parkinson's Disease, Sleep Disorders