What is the right amount of sleep each night and how could missing it RUIN your health? - Daily Mail

Functioning on a measly four hours of sleep a night used to be a badge of honour for high-powered CEOs. But a wealth of studies in recent years have highlighted the danger of not enough kip.

Functioning on a measly four hours of sleep a night used to be a badge of honour for high-powered CEOs and world leaders. Part of Margaret Thatcher's fearsome reputation came from how little she sle… [+19357 chars]

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