Re:Why Seven Hours of Sleep Might Be Better Than Eight
by Fomite on Tuesday July 22, 2014 @02:08PM
(#8070584)
I think it's somewhat hard to necessarily point to the direction of association pointing the way the paper asserts its pointing, even leaving
I would have been much more impressed by using sleep as a time-varying exposure, rather than a time-fixed exposure, but the study is a rather old one.
Lumping all reports from 9.5 to 16.5 hours makes me a little nervous however - that's a range from "sleeps more than average" to "sleeps the vast majority of the day, and enough that a full time job is impossible". I'd assert those are very different people.
I would have been much more impressed by using sleep as a time-varying exposure, rather than a time-fixed exposure, but the study is a rather old one.
Lumping all reports from 9.5 to 16.5 hours makes me a little nervous however - that's a range from "sleeps more than average" to "sleeps the vast majority of the day, and enough that a full time job is impossible". I'd assert those are very different people.