“Beer—the reason I wake up every afternoon” is a saying that has been printed on signs. The jocular saying has been cited in print since at least 2000.
 
     
Google Groups: hun.lists.hix.guru 
(unknown)
7/20/00
(...)
Beer - The reason I wake up every afternoon
   
Google Groups: at.games.champ-man
Al Rainsbury
11/9/00
(...)
Beer - The reason I wake up every afternoon.
 
Google Groups: rec.models.scale
David O. Garcia
7/1/01
(...)
Beer - The reason I wake up every afternoon.
 
Stoned Racounteur
Friday, December 31, 2004
First post from the Laptop!
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Beer - The reason I wake up every afternoon.
   
Zazzle
Booze - The reason I wake up every afternoon Mugs
Product Details
Product id: 168242077766065239
Made on 10/20/2008 11:20 AM
 
2 February 2009, Palm Beach (FL) Post, “It’s not about the glasses, it’s what’s in them,” pg. 1D:
“Booze—The reason I wake up every afternoon.”
 
Wheels of Time
BEER, The Reason I Wake Up Every Afternoon - Metal Sign $20.00
Metal sign measures 40 cm wide X 32 cm long. Pre-punched hole in each corner to enable hanging. Mail order customers can order direct online, or go to our downloads menu for our order form and other ordering instructions.
Item added 3 September 2011