We've won the war on boredom! If you have a smartphone in your pocket, a game console in the living room, a Kindle in your backpack and an iPad in the kitchen, you never need to suffer a minute without stimulation. Yay!

But wait—we might be in dangerous territory. Experts say our brains need boredom so we can process thoughts and be creative. I think they're right. I've noticed that my best ideas always bubble up when the outside world fails in its primary job of frightening, wounding or entertaining me.

I...