13 ways green living can make you healthier
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Using windows, not lamps, boosts productivity
It’s not in your head that the fluorescent lights in your office feel totally depressing. In a small study, volunteers worked from 12 pm to 8 pm in a room either mainly lit either by daylight or artificial light. By the second day in those conditions, those who were taking advantage of sunlight were less sleepy at the end of the workday and performed better on cognitive performance tests. Keep the blinds open and you’ll cut your energy bill and feel more energised.