More often than not, getting yourself to the gym is harder than working out itself. So, what's a guy to do if he doesn't have the motivation to slip out of bed at 4 a.m. like The Rock or has an ever-changing schedule? 

Michael Morelli, CPT, founder of Morellifit and author of The Sweet Potato Diet: The Super Carb-Cycling Program to Lose Up to 12 Pounds in 2 Weeks (available April 2017) has some ideas. Whether you're a night-shift worker, an early riser, or all-round workaholic, we've got tips to help you get your sweat session in (and make it count!) every time—or at lease close to it.