Skogluft (Forest Air) : The Norwegian Secret to Bringing the Right Plants Indoors to Improve Your Health and Happiness, Hardcover by Viumdal, Jorn; Ferguson, Robert (TRN), ISBN 0008317445, ISBN-13 9780008317447, Like New Used, Free shipping in the US Why do we spend so much time indoors, which is not our natural habitat? Why have trends such as forest-bathing become so popular? The answer to the last question lies in the proven benefits we obtain from our connection with nature - from increased productivity to feelings of happiness and an enhanced sense of wellbeing.