[tsoukase]

Studies that reach HN and other pop places usually have a lot in common: they link a widespread, modifiable and 'catchy' factor (like sleep, sugar/meat etc consumption, human relations) with a single sensational end point (death), and involve 5/6-figures number of participants. Another common one is a huge confounding spill that makes them useless for practical decisions but valuable for further, more rigorous research design.

[hart_russell]

I think in this instance, it wouldn’t be shocking that irregular sleep would increase all cause mortality.

[tsoukase]

Another common property of such studies is that their result is mildly surprising. Not much so that it will be scrutinised and questioned and not indifferent because no one will care about them. So, you receive your expectation.