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Surely you have heard that having floors in the room can be harmful because “they steal oxygen” while we sleep. However, scientific evidence rules out that concern: the amount of oxygen they absorb is minimal and it does not mean no health risk.
When there is no lightplants stop photosynthesis and perform cellular respiration, a process in which they take in oxygen and release carbon dioxide. Still, the values are insignificant. An analysis by researcher Martin Gent, based on 70 citizen science questionnaires, showed that in one night a person consumes between 2% and 3% of oxygen in a closed room of 20m2while a pot barely reaches 0.1%. Compared to human consumption or even that of a pet, the difference is irrelevant.
The confusion was spread in part by a NASA study of 1989, misinterpreted. This work did not seek to measure the effect of plants in a home, but rather to verify their effect in the laboratory. ability to absorb volatile organic compounds in sealed environments, such as space stations.
Decades later, in 2019, a review published in Nature by Michael Waring (Drexel University, USA) analyzed 190 previous experiments. His conclusion was clear: The impact of plants on air quality in everyday spaces is very limited. In fact, to notice an appreciable difference it would be necessary to place between 100 and 1,000 copies in a single room.
So you can sleep peacefully next to your plants: they consume less oxygen than any human being and, on top of that, they don’t snore. With a minimum ventilationyour green companions will continue to help create a more homely environment without disturbing your sleep or competing for air.
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