Living on less sleep – the gene involved

 Sleep Like A Baby

 

Scientists discover why some people can thrive on less sleep than others. A particular gene variant is responsible, and those with it can also handle extended periods of sleeplessness better.
[Via reddit.com: what’s new online!]

submitted by godsenfrik to science
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Interesting study. A single amino acid change seems to be responsible. Wonder why the gene has not swept through the human population? Seems like it would have a selective advantage,