나무도 밤에 잔다 Trees go to SLEEP at night too! They relax and let their branches droop during the hours of darkness

Trees go to SLEEP at night too! They relax and let their branches droop during the hours of darkness

  위 사진 상의 그림을 보면 밤사이에 4인치(약 10cm의 정도 가지가 처진 것을 알 수 있다.

낮에 햇빛을 받으면 가지는 다시 올라간다.

밤에는 광합성을 할 수 없기 때문에 에너지를 보존하려는 것으로 보고 있다.

• Trees found to drop their branches by up to four inches during the night
• The branches then rise back up during the day when there is sunlight
• Researchers believe the trees may be 'resting' when it is dark
• This may conserve energy at times when they cannot photosynthesis 

By CHARLOTTE WORRALL FOR MAILONLINE

Most animals are known to grab at least 40 winks at some point in the day, but it seems trees also drop off to 'sleep' during the hours of darkness.

Researchers have found that trees relax and let their branches droop when the sun goes down.

A collaboration of researchers from Austria, Finland and Hungary used laser scanners on fully grown trees to measure their 'sleep movement'.

Read more: http://www.dailymail.co.uk/sciencetech/article-3596675/Trees-SLEEP-night-Woody-plants-relax-let-branches-droop-hours-darkness.html#ixzz496x9rL7Y 

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