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#194 BITESIZE | Why Sleep Matters (and How to Get More) | Matthew Walker
Feel Better, Live More with Dr Rangan Chatterjee
What Does Sleep Do for the Immune System?
Sleep really is the tide that raises all f the other health boats. It took mother nature three point six million years to evolve this necessity of eight hours of sleep in place. If you take healthy individuals and then we limit them to just four hours of sleep for one single night, what we see is a 70 % drop in critical anti cancer fighting immune cells called natural killer cells. People who are sleeping five hours a night are four times more likely to catch a cold than those people who are sleeping eight hours ora. We also know that it doesn't take one week of, you know, short sleep deprivation. One night is enough. The reason your body is trying to curl up in bed
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