Night owls die earlier due to drinking and smoking: study « Khabarhub
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Night owls die earlier due to drinking and smoking: study


16 June 2023  

Time taken to read : 4 Minute


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PARIS: People who tend to stay up late are not more likely to die younger than early risers — as long as they don’t use those longer nights for drinking and smoking, a 37-year-long study suggested on Friday.

Previous research has shown that night owl, who stay up later and struggle to drag themselves out of bed in the morning, are more likely to suffer from a range of health problems.

In 2018, a large study in the UK found that evening people had a 10 percent higher risk of dying than morning people over a 6.5-year period.

While that was potentially worrying news for the world’s night owls, that research did not take into account factors, such as alcohol consumption, that could be behind those deaths. So researchers in Finland sought to find out more in a study published in the peer-reviewed journal Chronobiology International.

The study followed nearly 24,000 same-sex twins in Finland, who were asked in 1981 to identify whether they were morning or evening people. A third said they were somewhat an evening person, while 10 percent said they definitely were. The rest were morning people. The evening people tended to be younger and tended to drink and smoke more.

When the researchers followed up in 2018, more than 8,700 of the twins had died.

Over the 37 years, the researchers found that the definite night owls had a nine percent higher risk of death from all causes — a similar rate to the 2018 study. But that difference was “mainly due to smoking and alcohol”, the study said. For example, it found that non-smoker night owls who were light drinkers were no more likely to die earlier than morning people.

– Night owls and drugs –

The study’s lead author, Christer Hublin of the Finnish Institute of Occupational Health, told AFP the results showed that night owls can act if they want to lower their risk of early death.

“Clearly evening people should critically think about the amount of alcohol and tobacco they are using,” he said.

Independent of other factors, the time when people tend to sleep, known as their chronotype, has “little or no” contribution to their mortality, Hublin added.

Jeevan Fernando, a chronotype researcher at Cambridge University not involved in the study, told AFP that while the findings were sound, the research had limitations. That participants merely self-identified as morning or evening people was “unsatisfactory because it does not include any objective information” unlike more modern methods, he said.

The study also failed to include drugs other than alcohol and tobacco, he said: cocaine, in particular, had been linked to people changing from early to late risers.

Fernando has previously led research that showed night owls have worse mental health — particularly anxiety — and that drug use could exacerbate the problem.

Publish Date : 16 June 2023 21:10 PM

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