Lifestyle factors impact mortality more and not sleep cycle; know what study says

A study published in the journal Chronobiology International stated that lifestyle choices such as drinking or smoking impact one's health more as compared to their sleep cycle. 

The findings involved almost 23,000 twins from Finland who were tracked for over a period of 37 years and it was thus found that an evening person has a slightly increased risk of mortality than a morning person. 

The participants were asked to pick from four reasons,' I am clearly a morning person; ‘I am to some extent a morning person’; ‘I am clearly an evening person’; ‘I am to some extent an evening person’.

Later, the result showed that 7,591 of the twins identified as ‘to some extent’ and 2,262 as ‘definite’ evening types. The figures for morning types were 6,354 and 6,769, respectively.

However, the study concluded that smoking and alcohol primarily caused these deaths, not chronotype.

This finding was highlighted by the fact that non-smokers were at no increased risk of dying and the causes of deaths included alcohol-related diseases as well as accidental alcohol poisoning. 

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