Dr Mehvish Khan explains how good quality shut-eye can enhance your appearance, prevent ageing and wrinkles, as well as improve your overall quality of life - but more research is needed
A restful sleep might be the key ingredient missing from your skincare routine according to Dr Mehvish Khan, an aesthetic practitioner and founder of MK Aesthetics in Wexford.
Circadian rhythm Sleep is vital for the growth and renewal of many physiological systems within the body and it is strictly controlled by the circadian system, according to Dr Khan. "Recent studies have shown that these “clocks” are present in all nucleated cells in our body, including the cells in our skin. The skin, being the largest organ of the body, also possesses cycles, which receives timing information from the master clock in the brain via a combination of messages from our nerves and hormones," she says.
Recent studies have suggested that these all contribute to signs of ageing such as wrinkling and alterations in pigmentation, according to Dr Khan. "For example, a higher level of melatonin is released by your brain during the night. It is important in increasing sleep time, improving sleep maintenance and reducing sleep latency.
More research needed It is clear that good-quality sleep can protect the skin from premature intrinsic ageing through hormonal balance, reducing oxidative stress, protecting against inflammation and DNA damage, and maintaining optimum immune function.
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