“Our office just got a new conference table—it sleeps 16”

Workers often mentally fall asleep at some board meetings, prompting the joke:
 
“Our office just got a new conference table. It sleeps 16.”
 
“Our office just bought a new conference table. It’s eight feet wide, thirty feet long and sleeps twenty” was credited to American comedy writer Robert Orben in 1972.
 
   
Wikipedia: Robert Orben
Robert Orben (born March 4, 1927) is best known as an American professional comedy writer, though he also worked as a speechwriter for Gerald R. Ford and as a magician. He has written multiple books on comedy, mostly collections of gags and “one-liners” originally written for his newsletter, Orben’s Current Comedy, and he has also written books for magicians
 
30 April 1972, Panama City (FL) News Herald,  “Quips & Quotes,” Family Weekly, pg. 27, col. 2:
Our office just bought a new conference table. It’s eight feet wide, thirty feet long and sleeps twenty. -Robert Orben
 
Google Books
2500 Jokes to Start ‘Em Laughing
By Robert Orben
Garden City, NY: Doubleday
1979
Pg. 130:
We just bought a new conference table. It’s eight feet wide, thirty feet long, and sleeps twenty!
 
26 June 1997, Waunakee (WI) Tribune, “Pause a Moment,” pg. 5, col. 3:
At our office, we just bought a new conference table. It’s eight feet wide, 20 feet long—and it comfortably sleeps 14.
 
Twitter
Funny One Liners
‏@funnyoneliners
Our office just got a new conference table. It sleeps sixteen.
11:58 AM - 26 Jan 2010
 
Facebook
Rahley Cleaning Services
January 27, 2010 ·
Our office just got a new conference table. It sleeps sixteen.
 
Twitter
Foster’s India
‏@FostersIn
#FostersFunny Our new conference table is 9 feet wide, 30 feet long, and sleeps 20.
9:30 AM - 5 Sep 2012
 
Twitter
newmerica
‏@newmerica
We just bought a new conference table that sleeps 7 http://instagram.com/p/k5xn_wth2Z/
8:27 PM - 26 Feb 2014
 
Facebook
James Kurtis
October 3, 2014 at 10:16am ·
Our office just got a new conference table. It sleeps 16.