People* who are short-sighted sleep WORSE** than those with normal vision***, study finds****
*University students
**Have slightly different markers of melatonin
***p=0.04
****n=32



https://twitter.com/MailOnline/status/1397481408881467394 …
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Let's study their coffee-drinking as well. We need more studies about coffee.
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rnorm(10000, mean = c(-1,1), sd = 0.5)
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