This woman agreed to an experiment – and the results are seriously impressive

woman-sleep-more

It's no secret that a good night's sleep is the key to good health. Most people think that eight hours of sleep is what is required, whilst a minority of people assert that they can get by on just six hours. We at Bright Side are fascinated by this question, which is why we decided to share with you the results of a recent experiment that really brought home to us the

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