Work in the Dark, Get Less Sleep

Here’s another reason to step out of the dark reading room: it might help you sleep better.

Work in the Dark, Get Less Sleep

December 2014

According to a recent study in the Journal of Clinical Sleep Medicine, working in environments with no windows or little exposure to daylight causes individuals to lose an average of 46 minutes of sleep per night. The authors of the study — researchers from the University of Illinois, Northwestern University in Chicago, and the Hwa-Hsia Institute of Technology in Taiwan — monitored the sleep patterns of 49 workers. Half of the participants spent the day in mostly windowless environments, while the rest had frequent exposure to daylight through windows. Those who had the most work-time light exposure slept an average of 46 minutes more, reported better sleep and fewer disturbances, and were also more likely to exercise. For more information, visit http://bit.ly/WorkSleepStudy.

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