Singaporeans would like to sleep for at least seven hours but only a quarter have that routine. YouGov. Retrieved 10 June 10 2022 from https://sg.yougov.com/en-sg/news/2022/03/18/singaporeans-would-sleep-least-seven-hours-only-qu/
How much sleep do Singaporeans get? A majority (64%) manage 6-7 hours per night. Human Resources Online. Retrieved 10 June 2022 from https://www.humanresourcesonline.net/how-much-sleep-do-singaporeans-get-a-majority-64-manage-6-7-hours-per-night
How Sleep Deprivation Affects Your Mental Wellbeing. University Health Centre. Retrieved 10 June 2022 from https://www.nus.edu.sg/uhc/resources/articles/details/sleep-deprivation
What is healthy sleep?Sleep Foundation. Retrieved 10 June 2022 from https://www.sleepfoundation.org/sleep-hygiene/what-is-healthy-sleep
How To Determine Poor Sleep Quality. Sleep Foundation. Retrieved 10 June 2022 from https://www.sleepfoundation.org/sleep-hygiene/how-to-determine-poor-quality-sleep
Sleep Hygiene. Sleep Foundation. Retrieved 10 June 2022 from https://www.sleepfoundation.org/sleep-hygiene
Incontinence (Nocturia). Sleep Health Foundation. Retrieved 10 June 2022 from https://www.sleephealthfoundation.org.au/incontinence.html
Creating a Good Sleep Environment. Centers for Disease Control and Prevention. Retrieved 10 June 2022 from https://www.cdc.gov/niosh/emres/longhourstraining/environment.html