Add Yahoo as a preferred source to see more of our stories on Google. Credit: Shutterstock / Gorodenkoff Credit: Shutterstock / Gorodenkoff Waking up early is hard for most people in this busy world.

I eased the door open, letting a sliver of golden morning light slip into the dim room. My two friends were fast asleep on the bed, cocooned in a jumble of plush blankets. From beneath a subway cloud ...