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Doctor Rachel N.Y. CHAN

Doctor CHAN Ngan Yin Rachel             

Research Assistant Professor



Fax: (852) 2647-5321
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.



  • Children and adolescent sleep problems

  • Treatment and prevention of sleep disorders

  • Sleep and psychopathology



  1. Advancing Adolescent Bedtime by Using Motivational Interviewing and Text Reminders - A Randomized Controlled Trial. (Health and Medical Research Fund, 15163071, 2018 – 2021, as PI)



  1. Travel Grant Award for Young Investigators in 2nd Congress of Asian Society of Sleep Medicine, Seoul, Korea, 2018



  1. Wang G, Zhang J, Lam SP, Li SX, Jiang Y, Sun W, Chan NY, Kong APS, Zhang Y, Li S, Li AM, Jiang F, Shen X, Wing YK. Ten-Year Secular Trends in Sleep/Wake Patterns in Shanghai and Hong Kong School-Aged Children: A Tale of Two Cities. Journal of Clinical Sleep Medicine. 2019;15:1495-502.

  2. Liu Y, Zhang J, Li SX, Chan NY, Yu MWM, Lam SP, Chan JWY, Li AM, Wing YK. Excessive daytime sleepiness among children and adolescents: prevalence, correlates, and pubertal effects. Sleep Medicine. 2019; 53: 1-8.

  3. Li SX, Chan NY, Man Yu MW, Lam SP, Zhang J, Yan Chan JW, Li AM, Wing YK. Eveningness chronotype, insomnia symptoms, and emotional and behavioural problems in adolescents. Sleep Medicine. 2018; 47: 93-9

  4. Lufi D. Wing YK, Chan NY. Assessment of attention level among Chinese and Israeli adolescents. Journal of Behavioral Health.2017; 6: 52-7.

  5. Chan NY, Zhang J, Yu MWM, Lam SP, Li SX, Kong APS, Li AM, Wing YK. Impact of a modest delay in school start time in Hong Kong school adolescents. Sleep Medicine. 2017; 30: 164-70

  6. Liu Y, Zhang J, Lam SP, Yu MWM, Li SX, Zhou J, Chan JW, Chan NY, Li AM, Wing YK. Help-seeking behaviors for insomnia in Hong Kong Chinese-a community-based study. Sleep Medicine. 2016; 21:106-13.

  7. Zhang J, Chan NY, Lam SP, Li SX, Liu Y, Chan JW, Kong AP, Ma RC, Chan KC, Li AM, Wing YK. Emergence of Sex Differences in Insomnia Symptoms in Adolescents: A Large-Scale School-Based Study. Sleep. 2015; 39: 1563-70.

  8. Chan NY, Lam SP, Zhang J, Yu MWM, Li SX, Li AM, & Wing YK. Sleep education in Hong Kong. Sleep Biological Rhythm. 2015; 14: 21-5.

  9. Wing YK, Chan NY, Yu MWM, Lam SP, Zhang J, Li SX, Kong AP, Li AM. A school-based sleep education program for adolescents: a cluster randomized trial. Pediatrics. 2015; 13: e635-43.

  10. Chan JW, Lam SP, Li SX, Yu MW, Chan NY, Zhang J, Wing YK. Eveningness and insomnia: independent risk factors of nonremission in major depressive disorder. Sleep. 2014; 37: 911-7.