As the 24-hour economy continues to leave its mark on societal life, the effects of the disruption of the natural biological rhythm become more apparent. Aside from the effects this has on sleep we will also discuss the health effects in the long term. As well as potential measures to reduce the negative effects of…
Meesters Y., Gordijn M.C.M. Tijd van Slapen, verstoring van de biologische klok door nacht- en wisseldiensten. Nederlands Tijdschrift voor Geneeskunde 159: A9601 (2015).
SOLG symposium Licht (in Dutch) – Donker – Slaap; Amsterdam 11 december 2016
December 11th 2015 the sympium Licht -Donker -Slaap (Light- Dark- Sleep) took place at the Beurs van Berlage in Amsterdam. Marijke Gordijn was there to give a lecture regarding ‘when every second counts, the role of sleep and time of day on athletic performance”. Why is sleep an important part of your training-schedule? Does it…
Roughly 16% of the Dutch labor force works during the nightly hours on a regular basis. Signals arise from scientific literature that this might not always be healthy. Research does not yet have a decisive answer to which preventive measures protect employees best. A forward rotating schedule or a short bout of sleep during night…
ASSEN – Daylight saving time and standard time, almost everyone is affected by it. Some more than others. Some people need four weeks to get back to their ordinary rhythms. Along with the University of Groningen, Marijke Gordijn investigates sleep disorders: “Especially the switch to daylight saving time is tough for people who are sensitive…
Van de Ven Hardy, Van der Klink J.J.L., Vetter C., Roenneberg T., Gordijn M.C.M., Koolhaas W., De Looze M.P., Brouwer S., Bültmann U. Sleep and need for recovery in shift workers: do chronotype and age matter? Ergonomics, 1-15 (2015).
A new photometric measure of light intensity that takes into account the relatively large contribution of the ipRGCs to the non-image forming (NIF) system was recently proposed. We set out to revise publications reporting on alertness scores as measured by the Karolinska Sleepiness Scale (KSS) under different light conditions in order to assess the extendibility…
Hommes, V., & Giménez, M. C. A revision of existing Karolinska Sleepiness Scale responses to light: A melanopic perspective. Chronobiology International, 32(6), 750–756. (2015).
Yearly reports. Latest on 11-04-2016
“We appear to sleep less and less. But too little sleep is bad for you: your focus, your memory, your digestion, your mood all suffer. Personally, I never sleep more than 5 hours a night. Prefferably, I would not sleep at all. What would 50 hours of sleep deprivation do to me?” During the episode…
At abnormal situation management (ASM) – Honeywell Amsterdam
