[going hot]

Water drawing up through the roots and evaporating at the leaves, higher pressure, more rigid cells.

At night, no draw, pressure goes down, causes moderate deflation of the cells, they droop some.

< my story and I am sticking to it! >

[Flick Lives]

That theory works too. But sleeping? No. I don’t think the trees are sleeping.

[tet68]

This is just more cis-patriarchial Arborism.
All hail the Ent Overlords.