A fan in the woods.

We were talking about camping again, even though it's getting too late in the year. Travis began listing the things he would need to bring. "My blanket, a sleeping bag, a pillow, my fan..."
"Your fan?", I said. "I need it to sleep" he said. "You will have to listen to the crickets instead" I replied. I told him there are no outlets in the forest to plug the fan in to. He knew it was true, but the question of how he'd manage to fall asleep still remained. We'll see...