Why would you do this? I am being silly know, but what is the point? What about just getting a good nights (7-8 hours sleep)? Is this a new 21 Century "lets not bother wasting too much time sleeping" craze?
That may be simplistic I know, but it's like people who were wooly hats in the summer....what is the point?
Or should I ask, what are the benefits?
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