Although without sunlight, they have no choice but to stop photosynthesizing. Then we have plants like the dracaena fragans, whose flowers remain closed at day

Although without sunlight, they have no choice but to stop photosynthesizing. Then we have plants like the dracaena fragans, whose flowers remain closed at day, but open and release their delicious fragrance all night. I'm not sure how sleep would work for her. https://en.wikipedia.org/wiki/Dracaena_fragrans https://en.wikipedia.org/wiki/Dracaena_fragrans