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Office Lighting Allows Employees To Sleep 26 Minutes Longer, Research Finds
- Feb 05, 2018 -

A study by Eindhoven University of Marvell, the Dutch University of Technology in the Netherlands, shows that the average employee sleeps 26 minutes longer by installing personalized, adjustable lighting in the office.

 

In the study, employees reported improved sleep duration in colder and brighter lighting and in environments where light intensity and color temperature could be controlled.

 

Office workers first spend 3 weeks in a randomly selected lighting environment, and then stay in the new experimental environment for the next few weeks. The staff in the control group received standard office lighting with an average illuminance of 500 lux and neutral white light, while the team members received dynamic illumination of different color and intensity. These lamps are tailored to the age of the subjects.

 

Researchers measured light close to the eye and found that individuals in the personalized group showed higher levels of illumination in the morning and higher levels of color temperature near the table and eyes.

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In the personalized group, the average sleep duration was reported to have been extended by 26 minutes.

 

To verify the results, the researchers will conduct further detailed analyses to control potential variables such as light sensitivity, general sleep quality and evaluation periods, and the actual illumination measured by the optical recorder.

 

The present research results are only for reference because there is no conclusive conclusion. However, this shows the importance of personalization.

 

Another finding is the diversity of views on intensity and color temperature. The Panel reported that the findings were "clearly indicative of the need for personal control".

 

"We learned that even if personal control happens just by chance, users will like the ability to set up lighting scenarios," he said. ”

 

In the study, only a handful of participants were aware of the effects of light on sensitivity, health or productivity gains. If you can control it, most participants will adjust the light to a comfortable level.

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