How much sleep do you really need? Probably a lot less than you think, says an expert | Mail Online: "Ask people whether they would like more sleep and the majority will say yes.
But does this mean they are not getting enough? I don't believe so.
Thanks to oft-repeated assertions that our ancestors slept longer than we did, not to mention claims that a lack of shut-eye can cause high blood pressure, diabetes and obesity, and it's easy to see why we think we are chronically deprived of sleep."
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