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sleep quality - it's impact on skin aging

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We’re all religious believers of ‘beauty sleep’ I’m sure, but just what is the science that makes this legend so worth its name? We look deeper into it in this blog post!

Sleep quality refers to the amount of sleep an individual gets on average at night. Sleep hours less than 5 are categorized as bad sleep whereas 7-9 hours are categorized as good sleep. In one observation study of women aged 39 to 40, the rate of skin’s aging and skin barrier function were measured against the amount of sleep they received. Evidently enough, bad sleeper participants were associated with accelerated extrinsic skin aging and less effective barrier skin function. Good quality sleep is associated with not only more efficient recovery from UV induced skin damages in the day, but also better self-perception of one’s overall appearance.

role of sleep in reparation

When we sleep in the night, our entire body goes into repair mode, and the skin is no exception, replacing old cells with new ones. Not getting enough sleep causes the release of cortisol, the stress hormone, which on top of breaking down collagen, a protein responsible for keeping skin smooth and elastic; is also likely to cause acne breakouts and conditions like eczema. When we sleep, our body also delivers fluids to organs that need replenishing, which remove excess fluids from other areas. When we don’t get enough sleep, fluid accumulates under the eyes and causes the most notorious symptom of stress – dark circles. We also lose out on the antioxidants produced naturally by the body during sleep, making us more vulnerable to oxidation damage as a whole. These are all factors that lead to signs of premature aging and poor health, especially in lifestyles that don’t allow for sufficient sleep at night.

sleep as a confidence booster

As night-time sleep hours have an indirect correlation with anxiety, good sleepers are said to have a better perception of themselves as compared to bad sleepers. College students around the world can testify to the fact that zero sleep in the night makes one feel both awful and unattractive. Getting a good rest the night before helps one take on the day fresh and confident, as both the body and the mind have had enough time to recharge and replenish. Sleep is essential to mental health stability, and shouldn’t be so easily sacrificed in the face of work or commitment. So get some rest, even amongst the most busy ones of you! 

A good night’s sleep is 7 to 9 hours long, crucially important to our physical and mental health, and essential in keeping your skin young, and strong. Less stress, less acne! Proper sleep can do wonders for a person’s outlook and skin. How much sleep do you get on average at night?

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Sources:

  1. Oyetakin White, P., Suggs, A., Koo, B., Matsui, M. S., Yarosh, D., Cooper, K. D., & Baron, E. D. (2015, September 17). Does poor sleep quality affect skin ageing? Retrieved from http://web.a.ebscohost.com.lib.ezproxy.ust.hk/ehost/detail/detail?vid=12&sid=2cba98c3-ab17-40ac-91c8-fdc88a589d62@sessionmgr4008&bdata=#AN=25266053&db=cmedm
  2. Kittaneh, M. (2017, January 17). The Impact of Sleep on Your Skin. Retrieved from https://www.huffpost.com/entry/the-impact-of-sleep-on-your-skin_b_587e57aee4b0b39899c71db8
  3. University Hospitals Case Medical Center. (2013, July 23). Sleep deprivation linked to aging skin, study suggests. ScienceDaily. Retrieved August 12, 2019 from www.sciencedaily.com/releases/2013/07/130723155002.htm

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