Unlike other plants, these plants give off oxygen at night as well - so they're great for indoor placements. If you've ever spent time in or near these settings, you'll know how refreshing and revitalizing they are! The biggest benefit to incorporating these oxygen producing plants into your longevity lifestyle is going to be the improvement of air quality in your home. Here are 9 plants that gives off oxygen at night as well. Peace Lilly Peace lilies (Spathiphyllum), also known as closet plants, are a popular choice for offices and homes. When it comes to indoor plants, peace lily plants are some of the easiest to care for. It is known to bring peace to the family if kept indoors. Spider Plant The spider plant (Chlorophytum comosum) is considered one of the most adaptable of houseplants and the easiest to grow. This plant can grow in a wide range of conditions and suffers from few problems, other than brown tips. The spider plant is so named because of its spider-like plants, or spiderettes, which dangle down from the mother plant like spiders on a web. Available in green or variegated varieties, these spiderettes often start out as small white flowers. Snake Plant If a prize were available for the most tolerant plant, snake plant (Sansevieria) would certainly be one of the front runners. Snake plant care is very straightforward. These plants can be neglected for weeks at a time; yet, with their strappy leaves and architectural shape, they still look fresh. Additionally, they can survive low light levels, drought and have few insect problems. NASA research has even shown that snake plants are able to help keep the air inside your home clean, removing toxins such as formaldehyde and benzene. In short, they are the perfect houseplants.