Do plants sleep?
Brains On! Science podcast for kids
00:00
Are Trees Sleeping?
Some plants close their flowers at night, others burst their blossoms open when the sun sets. Some human scientists use lasers to scan birch trees overnight. With these lasers, they could see that trees drooped almost four inches. Scientists think drooping helps them rest like how you humans slouch on the couch or lay down on the ground.
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