Terrestrial laser scanning data show that trees move their branches in a diurnal pattern, settling down for the night — as if falling asleep. Changes in the water status of leaves and branches causes branches to move downward at night, up to 20 cm depending on the tree species.

Afghanistan girls' education: 'When I see the boys going to school, it hurts'
Afghan teenage girls describe feeling “broken” at being barred from attending school under Taliban rule. Source link