It’s a cruel joke, but it’s one that’s been perpetrated on all of us: that nasty, unfair notion of having to work for a living. You wake up, shower, dress, and bolt out the door—and the only serious step you take to energize your body and mind is that cup of coffee you spill on your tie every morning. Preparing for an active life, however—especially when you train in the evenings after work—is an all-day affair that starts from the moment you roll out of bed. Sure, you’re not looking for a jolt around every corner like Jason Statham in Crank, but if you’re habitually suffering from the 2:30 blues, use the following eight tips to crank up your energy levels and prime yourself to get through a hard day’s office tedium and burn fat and build muscle at night.