Generally, people love plants, and we have them in our homes, offices and garden as a décor. Namely, plants as well as the trees are thought to be the lungs of the Earth, because the generate oxygen in the process of photosynthesis.
Plants are useful not only for enhancing the quality of the air, but also for eliminating the toxins, chemicals, bio effluents, airborne microbes, such as: mold spores, and for neutralizing low humidity as a result of increasing air moisture.
However, there are numerous plants that generate oxygen at night or day, and you should have one of them in your bedroom immediately. Great numbers of plants absorb carbon dioxide and generate oxygen throughout the day, in the process of photosynthesis, and absorb oxygen and generate carbon dioxide throughout the night, in the process of respiration.