Like a Saint Bernard with a brandy barrel, coffee can rescue one from the brink of unconsciousness with one swig and a lick on the cheek. Find more correlations between man's best friend and man's best beverage with today's Groupon: for $10, you get $20 worth of coffee, pet treats, and more at Wag...Home of Doggin'it Café on Bank Street.

At Wag's pet-friendly Doggin'it Café, humans can sip lattes and teas while their four-legged associates sample Wag's wide array of treats and doggie desserts. The café's baristas brew cappuccinos, espressos, lattes, and specialty beverages ($2.25–$3.75) using Joe the Dog coffee, Wag's own Ottawa-roasted line of java. You can take home your own bag ($15.99 per lb.), available in Bad Dog dark roast, Gotta Go morning blend, and Neutered Dog decaf. Goodies for canines and felines include gourmet treats ($0.99–$25), dog cookies ($0.99–$3.99), and aged sweat socks of rare vintages. Wag also offers food and kibble (starting at $16.99) for your furry, flea-bitten friends as well as fashionable collars and leashes (starting at $20). In addition to providing free wireless Internet access for laptop users and web-savvy terriers, Doggin'it Café frequently hosts social nights so that proud pup-possessors can mingle with like-minded animal lovers and pooches can sniff one another to their heart's delight.