Dr. Lee Chuen Peng is a Consultant Respiratory and Intensive Care Physician with specialised expertise in Sleep Medicine. Currently practicing at O2 Lung Centre, Mount Elizabeth Orchard, he brings together his triple training in lung health, critical care and sleep disorders to provide comprehensive patient care. Dr. Lee completed advanced sleep medicine training at Stanford University’s renowned Sleep Center and holds a Master of Sleep Medicine from the University of Sydney.

As Singapore’s sole Fellow of the American Academy of Sleep Medicine, he has been instrumental in advancing sleep medicine nationally – having established Tan Tock Seng Hospital’s Integrated Sleep Service and led the National Healthcare Group (NHG) Sleep Workgroup. His clinical practice focuses on the full range of sleep disorders, with particular expertise in sleep-disordered breathing conditions like obstructive sleep apnea. Dr. Lee is especially interested in the intersection of respiratory diseases, critical illness recovery and sleep health.