Dr. Esther Lau Yuet-ying

Dr Esther Lau specializes in clinical psychology and clinical neuropsychology. Currently, her primary line of research aims to uncover some of the complex relationships between sleep, emotional and cognitive functioning.

She is a registered clinical psychologist of the Hong Kong Psychological Society and a registered psychologist of British Columbia, Canada. Her clinical and research interests include the interaction between sleep and daytime functioning, neuropsychology of medical and psychiatric disorders, and spirituality and mental health.She is also actively involved in a series of longitudinal investigations on the various psychosocial factors contributing to the formation and transformation of beliefs in Chinese



Ph.D. in Clinical Psychology
Dalhousie University, Canada.


Research Interest

Sleep and sleep disorders: how sleep – including sleep quality, sleep problems, disorders, loss, deprivation and restriction – can affect daytime functioning, personal flourishing, and interpersonal outcomes; and also how our daytime behaviors and environmental factors such as stress, caffeine intake, napping, and occupational variables affect our night-time sleep.

Clinical neuropsychology and neurocognitive functioning of healthy and patient populations

Forgiveness, spirituality, and mental health


Selected publications

Lau, E. Y. Y.*, Lau, K. N. T., Chan, C. S., Tseng, C. H., Lam, Y. C., Tse, D. M. S., Cheng, W. Y., Chung, K.-F. & Wing, Y. K. (2020). Effects of REM sleep during a daytime nap on emotional perception in individuals with and without depression. Journal of Affective Disorders, 260, 687-694.

Lau, E. Y. Y.*, Wong, M. L., Rusak, B., Lam, Y. C., Wing, Y. K., Tseng, C. H., & Lee, T. M. C. (2019). The coupling of short sleep duration and high sleep need predicts riskier decision making. Psychology & Health, 1-18.

Zhang, J., Lau, E.Y. Y.*, Hsiao, J. H. (2018). Using emotion regulation strategies after sleep deprivation: ERP and behavioral findings. Cognitive, Affective, and Behavioral Neuroscience.

Lau, E. Y. Y.*, Hui, C. H., Lam, J., & Cheung, S. F. (2017). Sleep and optimism: A longitudinal study of bidirectional causal relationship and its mediating and moderating variables in a Chinese student sample. Chronobiology International, 34(3), 360-372.

Lau, E. Y. Y.*, Cheung, S. H., Lam, J., Hui, C. H., Cheung, S. F., & Mok, D. S. Y. (2014). Purpose-driven life: Life goals as a predictor of quality of life and psychological health. Journal of Happiness Studies.

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Dr. Esther Lau Yuet-ying
Department of Psychology
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