• 8 years ago
Do trees sleep at night? A team of Europe-based researchers has investigated this question and concluded in a paper that the trees they studied have what appear to be an equivalent nighttime routine.


Do trees sleep at night? 
A team of Europe-based researchers has investigated this question and concluded in a paper that the trees they studied have what appear to be an equivalent nighttime routine. 
For the experiment, they took numerous scans from two silver birch trees--one in Austria and the other in Finland--during the hours between sunset and sunrise; all outside conditions were similar including a lack of wind. 
After analyzing the images, scientists found that, about two hours after the sun went down, the branches would extended downward as far as 4 inches, and they would

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