Eat ~100mg of caffeine really quickly (like a caffeine pill or slamming some coffee maybe) and immediately set a 20 min to 45 min timer and get into bed. Fall asleep and depending on your condition you will feel mildly to very refreshed after you wake up. You'll probably be up even before your timer goes off if it's on the longer side.
I do that every single day in the afternoon immediately after my post-lunch coffee. I usually sleep 15-20 minutes and I wake up feeling incredibly refreshed and full of energy, it's amazing.