London: Feeling tired? Run down? Just step outside.
A mere 20 minutes outdoors can have the same pick-me-up effect as a cup of coffee because of instant energising from nature, say psychologists.
Many associate getting out of the house or the office with doing something more active.
But in fact we become more energised outdoors even if we are doing nothing, research shows.
Psychology professor Richard Ryan from the University of Rochester, New York State, says: “Nature is fuel for the soul.”
His team conducted experiments on 537 student volunteers, exposing them to situations both active and sedentary, inside and outside.
The students felt more energetic simply imagining themselves outdoors and enjoyed a massive increase in vitality in the actual open air.
Prof Ryan added: “One of the pathways to health may be to spend more time in natural settings.”