Mahedi Hasan

Does Snake Plant Give Oxygen at Night? Myth or Reality.

Yes, snake plants do release oxygen at night, making them perfect for the bedroom. Snake plants, scientifically known as sansevieria trifasciata, are known for their air-purifying properties.

These plants grow in a variety of environments, making them a popular choice for homeowners and plant enthusiasts alike. Despite their unique benefits, many people wonder whether snake plants release oxygen at night. The short answer is yes, they do.

In fact, snake plants are one of the few plants that release oxygen at night, making them a great choice for keeping indoor air quality high. In this article, we’ll explore the benefits of snake plants and how they can help you improve your overall air quality at home.

Does Snake Plant Give Oxygen at Night? Myth or Reality.


Understanding Snake Plant Respiration

Snake plants are gorgeous indoor plants known for their air purification quality, low maintenance, and the ability to thrive in low light conditions. One common misconception about snake plants is that they release oxygen only during the day. It is believed that they emit carbon dioxide at night, making them harmful to humans.

But is this true? Let’s dive deeper into understanding the respiration process of snake plants and find out whether the myth is a reality or not.

Process Of Respiration

Respiration is a biological process that involves the exchange of gases between an organism and the environment. Like most plants, snake plants undergo respiration to survive. During respiration, plants absorb oxygen from the air and give out carbon dioxide. Carbon dioxide is a byproduct of the metabolic process which fuels the plant’s growth.

Mechanism Of Snake Plant Respiration

Snake plant respiration is a little unique as compared to typical plant respiration. They follow a process called crassulacean acid metabolism (cam), which helps them store carbon dioxide at night, reducing water loss during the day. This unique mechanism is one of the reasons why snake plants are drought-tolerant and can survive in low light conditions.

Differences Between Day And Night Respiration

During the day, snake plants take in carbon dioxide along with sunlight to produce glucose and release oxygen. At night, the process is reversed, and they uptake oxygen and release carbon dioxide. However, the amount of carbon dioxide they release at night is not harmful to humans, and it’s within safe limits.

In fact, snake plants release less carbon dioxide at night than during the day, making them perfectly safe to have in your bedroom.

The myth that snake plants release harmful gases at night is not true. They undergo a unique process called cam metabolism, where they store carbon dioxide at night, reducing water loss. Snake plants are relatively safe to have in your bedroom, and it’s unlikely that they can harm your health in any way.

If you’re on the lookout for a low-maintenance plant with excellent air-purifying abilities, snake plants are perfect for you.

Oxygen Production In Plants

Does snake plant give oxygen at night? Myth or reality.

Plants play an essential role in sustaining life on earth. Not only do they provide food and shelter to various living organisms, but plants also release oxygen that we breathe in. However, a popular myth states that some plants, like snake plant, release more oxygen at night than during the day.

Let’s find out if this myth holds any truth.

How Oxygen Is Produced In Plants

The process of photosynthesis helps plants produce oxygen during the day. During this process, plants absorb light energy from the sun, water, and carbon dioxide, which is then converted into sugar and oxygen. This process occurs in the presence of chlorophyll, a green pigment found in plants.

Role Of Chlorophyll In Oxygen Production

Chlorophyll plays a crucial role in oxygen production. It helps plants absorb light energy from the sun, which is then used to convert carbon dioxide and water into sugar and oxygen. Without chlorophyll, the process of photosynthesis cannot occur, and oxygen production ceases.

Comparison Between Day And Night Oxygen Production

While it’s true that plants release oxygen during the day, they also release it at night. However, the amount of oxygen released by plants during the night is much lower than the amount they release during the day. This is because at night, plants take in oxygen and release carbon dioxide through the process of respiration.

Therefore, the amount of oxygen released at night is equivalent to the amount taken in during respiration.

Snake plant, like other plants, releases oxygen through the process of photosynthesis during the day and respiration at night. While the amount of oxygen released at night may be lower than during the day, it is still crucial for sustaining life on earth.

So, if you’re looking to improve the air quality in your home, snake plant is an excellent option to consider.

Studies About The Snake Plant Myth

The snake plant, commonly known as sansevieria, is a popular indoor plant that people put in their homes for its air purification ability. However, one myth surrounding the snake plant suggests that it releases oxygen at night, making it a helpful plant to place inside sleeping areas.

In this section, we will explore the studies conducted on the snake plant to understand the truth behind this popular myth.

Historical Beliefs About Snake Plants

  • The snake plant has been a popular houseplant since ancient times, and it was thought to have healing powers. In the past, it was believed that this plant could cure numerous diseases, including fever, cough, and sore throat.
  • People believed that the snake plant absorbs harmful gases and toxins, making the environment healthier. However, there is no scientific proof to support the claim that this plant has healing powers.

Relevant Scientific Studies And Research

  • Several scientific studies have investigated the ability of this plant to release oxygen at night. In 1989, a study conducted by dr. b.c. Wolverton found that the snake plant was effective at removing toxins and improving indoor air quality by removing formaldehyde gas from the air.
  • In 2019, a study published in the international journal of environmental research and public health concluded that the snake plant could improve indoor air quality by increasing oxygen levels and reducing carbon dioxide.
  • However, it is worth noting that the oxygen produced by the snake plant is minuscule compared to the amount required for oxygenation in a room. Therefore, it is unlikely that the snake plant can provide enough oxygen to have a significant impact on human health.

Debate On The Myth Vs. Reality Of Snake Plant Oxygen Production

  • While some studies support the idea that the snake plant releases oxygen at night, others have found no evidence to support this claim.
  • Although it is true that plants undergo photosynthesis that produces oxygen during the day, this process stops at night. At night, plants release carbon dioxide instead of oxygen. Therefore, it is unlikely that the snake plant produces significant amounts of oxygen during the night.
  • Despite the lack of conclusive evidence, the snake plant remains a popular plant to keep indoors for air purification purposes.

There is some scientific evidence to suggest that the snake plant can improve indoor air quality and remove toxins from the environment. However, the idea that it releases oxygen at night is a myth without conclusive evidence to support this claim.

Regardless, the snake plant remains a beautiful and beneficial houseplant that can purify the air and add to the décor of any living space.

Other Benefits Of Having Snake Plants

Snake plants have become quite popular as houseplants across the world due to their exceptional benefits and easy-to-maintain nature. However, a recent debate has sparked amongst the horticulturist community regarding the plant’s ability to release oxygen at night. In this blog post, we will discuss if snake plants actually give oxygen at night, or it’s just a myth.

Additionally, we will explore other benefits of having snake plants in your home or workspace.

Air Purification

Snake plants are popular for their ability to purify the air. According to a research study conducted by nasa, snake plants can effectively filter out toxins such as formaldehyde, xylene, and benzene from indoor air. These toxins, commonly found in various household items such as furniture and cleaning agents, can cause headaches, eye irritation, and other health issues.

Also, snake plants can absorb carbon dioxide and release oxygen during the day, thus making them perfect for improving indoor air quality.

Having snake plants can help in improving respiratory health, reducing stress levels, and boosting immune function. Therefore, if you have a snake plant in your home or office, you can be sure that the air around you is cleaner and healthier.

Enhancing Sleep Quality

Many people suffer from sleep disorders due to poor air quality. Fortunately, snake plants can help solve this issue too. As mentioned earlier, snake plants absorb carbon dioxide and release oxygen, making them perfect for improving oxygen levels in the room.

The enhanced air quality ensures that you get a good night’s sleep by reducing the number of airborne irritants, which can irritate your respiratory system and cause allergies.

Boosting Mood And Concentration

Another benefit of having snake plants is their ability to boost mood and concentration. It’s common knowledge that plants can help create a positive environment and make people feel more relaxed. Snake plants can help reduce stress levels, which can significantly enhance your mood and increase productivity.

Furthermore, their air-purifying qualities can help improve the indoor air quality that, in turn, makes it easier to concentrate on tasks at hand.

Therefore, by having a snake plant, you can improve the air quality around you, enhance sleep quality, and boost your mood and concentration. Though the ability to release oxygen at night is still debatable, there is no doubt that their air-purifying qualities make them an excellent addition to any indoor space.

So, if you haven’t already, go ahead and add a snake plant to your home or workspace and enjoy its benefits.

Frequently Asked Questions For Does Snake Plant Give Oxygen At Night

Does Snake Plant Release Oxygen At Night?

Yes, the snake plant releases oxygen both during the day and at night, unlike other plants that release oxygen only during the day. This makes it a great plant to have in your bedroom to purify the air and improve your sleep quality.

How Many Snake Plants Do You Need To Purify A Room?

It is recommended to have at least two snake plants per 100 square feet of space in a room. Snake plants are highly effective at purifying the air, removing toxins such as formaldehyde, benzene, and xylene, and producing oxygen round the clock.

Can Snake Plant Be Kept In The Bedroom?

Yes, snake plants are one of the best air-purifying indoor plants for the bedroom. They can help in improving the air quality, reducing stress, and promoting better quality sleep. Plus, their unique appearance and low maintenance make them an ideal choice for decor.

How Often Should You Water A Snake Plant?

Snake plants are low-maintenance and can tolerate occasional neglect. It is advisable to water the soil only when the top inch is completely dry. Overwatering can lead to root rot, and hence it is advisable to keep the soil well-drained at all times.

Are Snake Plants Toxic To Pets Or Humans?

Snake plants contain saponins, which can cause mild symptoms of toxicity such as nausea, vomiting, and diarrhea when consumed in large quantities. Therefore, it is advisable to keep the plants away from pets and children who may be tempted to chew on them.


After researching and analyzing various scientific studies, it can be concluded that snake plants do in fact release oxygen during the night. While all plants perform photosynthesis and produce oxygen during the day, snake plants also perform a process called crassulacean acid metabolism (cam), which allows them to continue producing oxygen at night.

This makes them an excellent choice for indoor environments, especially bedrooms, where the air quality can be particularly poor. Snake plants not only add aesthetic value to your home, but also have numerous health benefits for humans, including reducing stress levels and improving air quality by filtering toxins like benzene, formaldehyde and trichloroethylene.

So, if you’re looking for a natural way to purify the air in your home and add a touch of greenery, look no further than the snake plant!