[–] [deleted] 0 points 3 points 3 points (+3|-0) ago
[–] Macdaddy5000 0 points 1 point 1 point (+1|-0) ago
The "resting" hypothesis would only apply if the branches were horizontal in the daytime, maximum torque at the point of attachment to the trunk.
[–] MorpheusGodofDreams 2 points 0 points 2 points (+2|-2) ago
Kind of like growing towards the light
[–] [deleted] 1 point 5 points 6 points (+6|-1) ago
[–] NeedleStack 0 points 5 points 5 points (+5|-0) ago
Or just conserving their energy during the night.