I love an early-morning sweat session, and with my energy levels up, my workouts improved, too. I didn't need to get back in bed for a few minutes or stall in my pajamas. Instead, I changed into my workout clothes right away, put on some music, started my Tabata timer, and got to work. And once I started, I was able to go harder for longer and needed fewer breaks. By the end of the workout, I felt like I could've done more — it was invigorating.