8 Shocking Ways Lack Of Sleep Is Reducing Your Lifespan

Leading neuroscientist Matthew Walker recently talked about why sleep deprivation is increasing your risk of cancer, heart attack and Alzheimer’s – and what you can do about it. See these 9 ways lack of sleep is reducing your lifespan.

#1 Risk Of Cancer

Just one night of only four or five hours’ sleep, your natural killer cells – the ones that attack the cancer cells that appear in your body every day – drop by 70%. Lack of sleep is linked to cancer of the bowel, prostate and breast. The World Health Organisation has classed any form of night-time shift work as a probable carcinogen.

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