The results of our study on the effects of near-infrared light (NIR) on health and well-being in people suffering from sleep loss is published today. In a double-blind, randomized, placebo-controlled study, the effects of three NIR light (850 nm) doses (1, 4, or 6.5 J·cm−2) were examined against the placebo. Exposure was presented five days…
Kick off meeting Healthy Living as a service in Martiniplaza. Our goal in this project is to contribute with knowledge on 24-hour rhythms and sleep. Michelle Luxwolda and Rieks Hoekman organised a presentation of Chrono@Work in a booth. The audience could indicate their sleep pattern to create a chronotype distribution in a creative way!
Chrono@Work received the good news that funding was granted for a project in the topic PCH (personalized & connected health) Ecosystem from the University Medical Center Groningen. This is a European funded project under the umbrella of SNN. In the project, Chrono@Work, supported by the University of Groningen, will develop a mobile application to use…
In November, we started with recruiting new participants for the study on the effects of near-infrared light. Purpose was to include 20 more subjects in winter. The task was to include them all within 3 weeks to be ready before Christmas. And yes! We are happy to announce that we managed to find 20 enthusiastic…
Marijke Gordijn is invited for several public events (in Dutch) on the topic of Daylight saving time. The first one will be an interview organised by Studium Generale Utrecht in collaboration with Tivoli/Vredenburg. On October 28th, at 8:15 pm on the stage of Tivoli-Vredenburg in Utrecht, Marijke will talk about the role of the biological…
Normally we promote to sleep at night and be awake during the day. However, Marijke Gordijn from Chrono@Work accepted the invitation to be one of the two guests in the night program De Slapelozen on Dutch radio on early Thursday morning August 12th 2021, between 2 and 4 am. The reason why is that during…
On January 8th, Marijke Gordijn from Chrono@Work and Roelof Hut from the University of Groningen were interviewed by EditieNL about the effects of the COVID-19 related restrictions on sleep. Colleagues recently published that on average people sleep longer and later during the lockdown. However, shortage of sleep and sleeping problems have serious health effects. EditieNL…
Chrono@Work has received a VIA grant from the European Regional Development Fund (EFRO) for support with the development of a new consumer service, namely individual coaching and advice on sleep-wake rhythm disturbances. The grant is for hiring expert Maureen van Veelen from Next Phase Management and Advice, who will help C@W to set up this…
The COVID-19 pandemic poses a serious health threat to the world population. In response, governments are implementing a variety of new policies including self-quarantine, self-isolation and social distancing. While medically necessary to limit spread, these new social policies can disrupt many of the stabilizing factors in our lives which support mental health. In close collaboration,…
Chrono@Work will be present at several symposia, classes and congresses in the upcoming period. Please have a look and subscribe if you are interested in the topic. 16th April 20:00h in Leeuwarden: Studium Generale Het Einde van de Zomertijd en Dan? 18th April whole day in Zeist: Medilex symposium on ‘Slaapproblemen en -stoornissen bij mensen met…
As vice president of the Society for Light Treatment and Biological Rhythms, I want to advertise our upcoming congress. The website to register is open. Last year, we organized the 30th meeting in Groningen, the Netherlands, which was a great success with the largest audience ever. Let’s make the next meeting in Chicago a success…
On May 17th, Pauline Bollen and Marijke Gordijn from Chrono@Work organized an interactive workshop for a group of 15 social workers of academic institutes in the Netherlands. The assignment was clear: inform us on possible sleep problems we may encounter in our office and how to proceed if we recognize some. The 3h-workshop consisted of…
Wednesday September 27th, Chrono@Work and the Brain Foundation will launch the new teaching material Charge Your Brainzzz in the Corpus Congress Centre in Leiden. Charge Your Brainzzz consists of a package of three lessons about sleep regulation and sleep disorders, with activating learning tools, animations (to be used during class) and a serious game developed…
In continuation of SLAAP2016, the second Dutch Sleep Congress will be organized again this year under the umbrella of the Dutch Society for Sleep-Wake research (NSWO) and the Sleep Medicine Association Netherlands (SVNL) in the Heerlickheijd in Ermelo. SLAAP 2017 is a unique collaboration between the various disciplines who work in the field of Sleep, such…
Bruinenberg, V.M., Gordijn, M.C.M., MacDonald, A., Van Spronsen, F.J., Van der Zee, E. Sleep disturbances in Phenylketonuria: an explorative study in men and mice. Frontiers in Neurology, section Sleep and Chronobiology. vol. 8:167 (2017).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5405067/
Marijke Gordijn is coauthor of a study investigating sleep disturbances in PKU. Sleep problems have not been directly reported in phenylketonuria (PKU). In PKU, the metabolic pathway of phenylalanine is disrupted, which, among others, causes deficits in the neurotransmitters and sleep modulators dopamine, norepinephrine, and serotonin. Understanding sleep problems in PKU patients may help explain…
Gordijn M.C.M. Slapen als onderdeel van een gezonde leefstijl. In: “Gestoorde slaap: een onschuldig probleem?” Lancel M., Koenraadt F. en ‘t Lam K. (eds). Wolf Legal Publishers. pp 13-28. (2016).
