Publicado: Vie, Abril 13, 2018
Salud | Por Gertrudes Rodriquez

Night Owls are at Higher Risk of Earlier Death

Night Owls are at Higher Risk of Earlier Death

Researchers sorted each person into four groups - definite morning, definite evening, moderate morning, and moderate evening, before comparing. They asked participants whether they were a morning or evening person, and to what degree (moderate or definite).

The study tracked 433,268 subjects for six-and-a-half years. After controlling for factors like age, sex, ethnicity, body mass index, smoking status and sleep duration, the researchers discovered that those who identified as "definite evening types" saw a 10% increased risk of dying during the six and a half follow-up period, compared to those who said they were "definite morning types".

The researchers, from University of Surrey in England and Northwestern University in Chicago, also found that night owls were more likely to have health problems like diabetes, neurological problems and respiratory disorders.

It wasn't just an increased risk of dying that was more prevalent among night owls. A 2017 study claims those tendencies could be linked to your genes.

It should be noted that this study was done on a 94-percent-Caucasian population, so there is still much more research to be done to fully understand the differences between preferred sleep times.

But being a night owl or morning person is largely a biological fact, not just a preference.

Results were published Thursday in the journal Chronobiology International.

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"The switch to daylight saving time is perceived as more uncomfortable by evening types than morning types", the study said, "placing a further burden on individuals who are already struggling with when to start the working day".

However, there are some things society can change to take some of the pressure off night owls.

Many of these effects may be attributable to a misalignment between a person's internal clock, or circadian rhythm, and the socially imposed timing of work and other activities, the researchers said.

"It is important for people who are night owls to learn there may be health consequences, but there may be things they can do to help overcome those problems", Knutson said.

"If you looked in Spain, where people are much later in terms of when they go to work", he told CNN, "my guess is that the health consequences are probably less than in the United Kingdom". The question "Can owls become larks?" was also answered.

Around 50,000 died young over the study period due to the stress of being forced up early.

They also suggest that - the practice of advancing clocks during summer months - may harm the health of people who prefer evenings. "There are a whole variety of unhealthy behaviors related to being up late in the dark by yourself".

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