Shop our collection of Air Purifying plants - that take the nasties out of the air! In 1989, NASA conducted a study and found that some common house plants filter toxins from the air. The University of Technology Sydney also conducted research in 2013 which found that having plants in your workspace can be productive to your working day. Even with just one plant on your desk, you could find that you achieve a 37 per cent reduction in tension, 44 per cent reduction in anger and 38 per cent reduction in fatigue. Put these plants in your office to help you relax or your bedroom to help you sleep soundly.