Neuroscientists say multitasking literally drains the energy reserves of your brain — Quartz
▻http://qz.com/722661/neuroscientists-say-multitasking-literally-drains-the-energy-reserves-of-your-br
▻https://qzprod.files.wordpress.com/2016/07/rtr4ty27.jpg?quality=80&strip=all&w=1600
When we attempt to multitask, we don’t actually do more than one activity at once, but quickly switch between them. And this switching is exhausting. It uses up oxygenated glucose in the brain, running down the same fuel that’s needed to focus on a task.
[...]
Studies have found that people who take 15-minute breaks every couple of hours end up being more productive, says Levitin. But these breaks must allow for mind-wandering, whether you’re walking, staring out the window, listening to music or reading. “Everyone gets there a different way. But surfing Facebook is not one of them,” he says. Social networks just produce more fractured attention, as you flit from one thing to the next.