Some plants can uptake carbon dioxide during the night as well because of their ability to perform a type of photosynthesis called Crassulacean Acid Metabolism (CAM). Having these plants at home improves air quality throughout the day and helps people to sleep better at night.
Tulsi
Tulsi is another name in the list of plants that give out oxygen at night. The leaves of tulsi emit a characteristic scent that can soothe nerves and help reduce anxiety. Having a tulsi plant in the home, balcony or near the window allows to sleep better at night. Consuming the leaves of tulsi plant has several benefits, such as curing fever, common cold, and sharpening memory.
Aloe Vera (Aloe vera)
We’ve all reached for aloe vera gel at least once or twice in our lives to relieve a sunburn, but did you know that aloe vera plants are also great for helping you sleep? Aloe vera releases oxygen at night, that purifies the air and helps us breathe easier while we sleep. This plant in particular is great for purifying benzene and formaldehyde.
Snake Plant (Sansevieria trifasciata)
These bedroom plants increase the oxygen in your room and help you get a more restful sleep. Many studies, including the NASA clean air study, claim that these plants are great for purifying formaldehyde, trichloroethylene and benzene from the air. Snake plants, also known as viper’s bowstring hemp, are tall plants that are great for filling empty corners of the room.