The art of sleep

From Aeon: "Now that idleness is harder and harder to find, even sleeping might soon be regarded as a mere necessity, a way of simply making yourself ready to be productive the next day. With the rise of sleep-tracking apps – and technologies to radically reduce how much shut-eye we need – the instrumental and quantifying logic of the market has finally conquered one of the last domains that was reasonably free from economic concerns. 'There will be sleeping enough in the grave,' said Benjamin Franklin, the wakeful polymath and a founding father of the United States. If both dreaming and daydreaming are under attack, will lying around be reserved for late age and, perhaps, death?"