Why do plants get sleepy ? Why do plants get sleepy .

Hello, some plants also sleep at night, in fact, this is the response of plants in order to adapt to the environment and protect themselves, this kind of sleep is called sleep exercise, but this way of sleep is different from humans. Plants that sleep at night include acacia trees, water lilies, dandelions, mimosas, etc., and when the temperature is lower at night, the leaves and flowers of the plants will close, which will reduce water evaporation and prevent heat dissipation.

Hello! I'm glad to answer for you. Plant sleep, that is, plant sleep, is called sleep movement in plant physiology, which is not only a natural phenomenon, but also a scientific mystery that scientists have been actively exploring for decades but still can't figure out why.

On a clear night, if we look closely, we will notice that some of the plants have undergone a wonderful change.

Plant "sleepiness", i.e., plant sleep, is known in plant physiology as sleep movement. On a clear night, if we look closely, we will see that some of the plants have undergone wonderful changes. For example, the leaves of the common acacia tree are composed of many small feathers, which stretch and are flat during the day, and when night falls, the countless small feathers fold and close in pairs, like mimosas touched by hand.

Peanuts are also a "sleepy" plant, and their leaves slowly close upwards from the evening onwards, indicating that it is time to sleep. It's not just the leaves of plants that need sleep, but the delicate and showy flowers seem to need sleep even more. For example, the water lily that grows on the surface of the water, whenever the sun rises, its beautiful petals will slowly relax, as if it is waking up from a sweet sleep; And when the sun sets, it closes its petals and goes back to sleep.

Because of its "waking up during the day and sleeping late" regularity is particularly obvious, it has won the name of "water lily". What are the benefits of a plant's sleep exercise in itself? Scientists have found that the sleep movement of some plants is not controlled by temperature and light intensity, but is caused by changes in the turgorical pressure of some cells at the base of the petiole.

Such as acacia trees, sorrel, red clover, etc., through the closure of the leaves at night, you can reduce the loss of heat and the evaporation of water, especially the acacia tree, the leaves not only close their sleep at night, but also gradually close when encountering strong winds and rains, in case the tender leaves are destroyed by the storm. This protective response is an adaptation to the environment. As the research deepened, scientists also discovered an interesting phenomenon about plant sleep:

Plants, like humans, have the habit of taking naps. Plant naps are generally between 11 p.m. and 2 p.m., and scientists believe that plant naps are mainly caused by the dry and hot atmosphere. Naping is a drought-resistant instinct that plants have developed over a long period of evolution in order to reduce water loss in order to survive in a hostile environment.

It should be! Legumes close their leaves at night.

It is a fact that plants need to sleep. In the wild, as long as you pay close attention, you can see a kind of red clover (also called safflower alfalfa) with small purple flowers and three leaflets, when there is sunlight during the day, the three leaflets stretch to their heart's content, and when the night covers the earth, the leaflets will close together and hang their heads, which is the state of its sleep. In the park, you will often see many tall acacia trees, their feather-shaped leaves, which look lush in the sun, but in the evening, they fold together in pairs and fall asleep.

There are also many plants such as carob, mimosa, and peanut leaves that also have this phenomenon.

Not only do the leaves of the plants sleep, but so do the beautiful flowers. Like a water lily, whenever the sun rises, its beautiful petals slowly open, as if it has woken up from a deep sleep; And when the sun sets in the west, it closes its petals and falls asleep. That's why people call it "water lilies".

The tuberose flowers not only bloom at night, but are also exceptionally fragrant. There is a vegetable that sleeps during the day and blooms at night, so people call it "night pill flower".

What's even more interesting is that the posture of the flowers sleeping is varied. The carrot flower, with its head down, like a little old man dozing; The dandelion flower, when sleeping, stands up and closes all the petals, and looks like a yellow-colored feather broom.

Yes, plants are the most sensitive creatures, and they have their own joys, sorrows, and sorrows!