Also, look like a cool storm trooper while you sleep.
"You’ve heard of wind-powered and solar-powered gadgets that can charge your phone, but what about breath-powered? This concept design was created by Joao Paulo Lammoglia that utilizes the power of your breath to convert into electricity via small wind turbines. The user simply wears the AIRE mask hooked up to an iOS device, and by breathing into the mask, the gadget is able to recharge the phone."
(via Charge Your iPhone With Your Own Breath - PSFK)