Houseplant sales were skyrocketing among US millennials even before the pandemic, with a nearly 50% rise in sales between 2017 and 2019, according to the National Gardening Association. Now, many like [travel writer MaSovaida] Morgan see them as a necessary tool in fostering optimal work-from-home conditions. Experts say this desire to fill indoor environments with objects from the outdoors ties in to the growing movement toward 'biophilic design', which is a concept used to increase wellbeing through both direct and indirect exposure to nature. Biophilic design was a major office trend in the years leading up to 2020, when Amazon introduced spherical conservatories to its Seattle headquarters; Microsoft debuted treehouse conference room in nearby Redmond, Washington; and Facebook created a 3.6-acre rooftop garden at its Silicon Valley hub. Thanks to the pandemic, millions of [remote workers] now have the chance to create a work environment with their own wellbeing in mind. An increasing body of evidence shows that incorporating nature can help with things like decreasing stress and increasing productivity, creativity and attention span. Beyond adding greenery ... there are several other simple additions for optimising a home office, including light and colour. Natural light supports the circadian rhythms of the body, which regulate our sleep-wake cycle, as well as hormones. Those working in a ... dark environment can typically mimic natural light by incorporate a variety of lighting levels throughout the workday.