Sparking joy: use Marie Kondo's approach to declutter your mind

Along with owning too much stuff, we also pile unreasonable demands on our time. It's time to limit our focuses

There's growing evidence that a cluttered home or workplace is a stressful one. A recent DePaul University study found that physical clutter is linked with procrastination and, in turn, lower life satisfaction. Other research shows that clutter is associated with elevated levels of the stress hormone cortisol.

"We have taken our wants and been told they are needs," Joseph Ferrari, the lead author in the DePaul study, recently told the New York Times.