5. I don’t nod off in the middle of the day anymore.
Before, I was the walking embodiment of those 5-Hour Energy commercials. You know the ones: “Do you suffer from that 2:30 feeling?” I couldn’t get any work done in my office because the hum of the central air and the soft, overhead lighting would put me right to sleep. Now I can work in quiet places, and I don’t take naps. Sometimes I look at the clock and am surprised that I’m so alert when I’d usually be a heavy-lidded mess.