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Don't Put Your Staff to Sleep

Recent studies show natural daylight in the workplace has more benefits than we thought.   Productivity has been tied to natural light but now extends to other health benefits. 

A Northwestern University School of Medicine study was reported in the June Journal of Clinical Sleep Medicine indicating people exposed to natural daylight in the workplace also get more sleep, are more active, and overall have a higher quality of life.

“There is increasing evidence that exposure to light, during the day --particularly in the morning -- is beneficial to your health via its effects on mood, alertness and metabolism,” says senior study author Phyllis Zee, Northwestern Medicine neurologist and sleep specialist.

How much more sunlight did they get?  About 175% more daylight or nearly double the amount. The study also shows people have to be within 20-25 feet of the windows or else you might as well not have windows.

The results on sleeping showed those with natural daylight got 46 minutes more sleep than those without windows. The interesting thing is that when you are not near windows the artificial lighting is many times “blue light” which reduces the production of a sleep inducing hormone but that’s another blog.

My next blog will focus on conflict between low cost artificial blue light and your health. Contact me at rsmith@smithmetzger.com

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