Working nights might give you brain damage, Danish study indicates

A new Danish scientific study points to the fact that working night shifts can increase the risk of Alzheimer’s and dementia

Danish researchers have recently released a scientific study of the lives of 18,015 nurses and found that 270 of them died from either cardiac ailments, diabetes, Alzheimer’s or dementia, Ugebrevet A4 reports.

The study found that the incidence rate of these diseases was much higher among nurses who worked evening or night shifts.

READ ALSO: New IT system causing chaos at Danish hospitals

Professor Zorana Jovanovic Andersen from the centre for epidemiology and screening at Copenhagen University said her team expects these findings could be extrapolated to other jobs with similar results.

“Night work doesn’t only affect nurses, but everybody who works at night,” she said.

Increasing the chance of dying
The study is the first to show that night work can cause damage to the brain, and researchers estimate that night work increases the likelihood of premature death by 26 percent.

Statistics-wise, there is still an element of uncertainty, and the figure can lie somewhere between 5 and 51 percent. There was also a slightly surprising finding, inasmuch as the risk proved to be highest for those on evening, rather than night shifts.

On top of this, even though people doing night work have more health problems than the norm, there is still disagreement as to what the cause really is.

However, Dorte Steenberg, the vice chairperson of the Danish nurses organisation, thinks the problem should be taken seriously and urgently looked into.




  • Bestselling author of ‘The Year of Living Danishly’ Helen Russell on why she moved back to the UK after 12 years

    Bestselling author of ‘The Year of Living Danishly’ Helen Russell on why she moved back to the UK after 12 years

    After more than a decade living in Denmark, Russell shares why she made the move, how she’s coping, what she already misses, and the exciting new projects she’s working on. “It’s been a very tough decision. I love Denmark, and it will always hold a special place in my heart,” she says.

  • Denmark launches first AI supercomputer

    Denmark launches first AI supercomputer

    The new Gefion AI supercomputer is one of the world’s fastest and will accelerate research and provide new opportunities in Danish academia and industry.

  • Navigating big love, big moves and big feelings

    Navigating big love, big moves and big feelings

    Experts believe it takes seven years to move into a new culture, according to leading Danish psychologist Jette Simon and therapist Vibeke Hartkorn. For expat couples, the challenges of starting a new life together in Denmark can put pressure on relationships, but emotions-focused therapy can help.

  • More and more Danes are working after retirement age

    More and more Danes are working after retirement age

    Politicians debate a lot these days about when you can retire. The reality shows that an increasing number of Danes like to work, even if they can withdraw from the labor market. Financial incentives help.

  • Environmental activist fears death in prison if extradited to Japan

    Environmental activist fears death in prison if extradited to Japan

    Canadian-born environmental activist Paul Watson has been in prison in Greenland for almost 100 days awaiting an extradition decision for a 14-year-old offence against a Japanese whaling vessel that he calls a “minor misdemeanor”. The 73-year-old had previously passed through Ireland, Switzerland, Monaco, France and the USA without trouble, before Greenlandic police arrested him in July.

  • Denmark too slow to ease recruitment rules for non-EU service workers, say industry associations

    Denmark too slow to ease recruitment rules for non-EU service workers, say industry associations

    When the Danish government in January presented the first of its schemes to make it easier to recruit foreign labour from outside the EU, it was hailed by the healthcare and service sectors as a timely and important policy shift. But while healthcare changes have been forthcoming, the service sector is still struggling, say the directors of the industry association Dansk Industri and one of the country’s largest private employers ISS.


  • Come and join us at Citizens Days!

    Come and join us at Citizens Days!

    On Friday 27 and Saturday 28 of September, The Copenhagen Post will be at International Citizen Days in Øksnehallen on Vesterbro, Copenhagen. Admission is free and thousands of internationals are expected to attend

  • Diversifying the Nordics: How a Nigerian economist became a beacon for inclusivity in Scandinavia

    Diversifying the Nordics: How a Nigerian economist became a beacon for inclusivity in Scandinavia

    Chisom Udeze, the founder of Diversify – a global organization that works at the intersection of inclusion, democracy, freedom, climate sustainability, justice, and belonging – shares how struggling to find a community in Norway motivated her to build a Nordic-wide professional network. We also hear from Dr. Poornima Luthra, Associate Professor at CBS, about how to address bias in the workplace.

  • Lolland Municipality launches support package for accompanying spouses

    Lolland Municipality launches support package for accompanying spouses

    Lolland Municipality, home to Denmark’s largest infrastructure project – the Fehmarnbelt tunnel connection to Germany – has launched a new jobseeker support package for the accompanying partners of international employees in the area. The job-to-partner package offers free tailored sessions on finding a job and starting a personal business.