I've noticed recently that the biggest of my five plants, which is in the vegetative stage and about a foot and a half tall, and very bushy, has its branches and leaves very pert and raised in the morning, and by the evening is a little more drooped. I don't mean the leaves or branches are outright "droopy," but they simply aren't quite as raised, and the leaves form almost a shell around the central trunk by evening. By morning the plant is more open again, giving a more clear view of the branches and trunk. At no point does it look sick or hurting; if anything, this plant is going absolutely crazy with pumping out huge seven bladed, deeply green, healthy looking leaves, and it gets bigger and bushier by the day. Is this movement of the leaves and branches due to a natural cycle of the plant, that all pot plants do? Is it due to the strain? Temperature? Light? A poltergeist? Anyone happen to know?