1. Division of Kinesiology, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
2. Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
3. School of Nursing, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
4. Department of Psychology, Faculty of Social Sciences, The University of Hong Kong, Hong Kong, China
5. The State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong, China