“Is there ever a day that mattresses are not on sale?”

“Is there ever a day that mattresses are not on sale?” is a jocular saying that has been printed on many images. “Is there ever a day when mattresses are NOT on sale?” was posted on the newsgroup alt.weemba on December 24, 2003.
   
     
Google Groups:alt.weemba
Questions
gajabo
12/24/03
(...)
4) Is there ever a day when mattresses are NOT on sale?   
 
Google Groups: alt.books.m-lackey
RAMBLINGS FROM A REALLY WEIRD MIND
Jeff the Bear
1/14/04
(...)
Is there ever a day when mattresses are NOT on sale?
 
Twitter
VillaGraphX
@villagraphx
Is there ever a day that mattresses are not on sale?
4:32 PM · Oct 7, 2008·Twitter Web Client
 
Twitter
Mike Figliuolo
@Figliuolo
Why is it that there is never a day that mattresses are not on sale?
4:44 PM · Nov 10, 2008·Twitter Web Client
 
Twitter
Marcus Johns
@marcusjohns
Is there ever a day that mattresses are not on sale?
5:48 PM · Feb 6, 2017·Twitter for iPhone
 
Twitter
Dr. Hana Ali
@Hana4House
I’ve always wondered if there’s ever a day when mattresses are NOT on sale
https://youtu.be/rvlA9UxGvSg
10:28 AM · Dec 8, 2018·Twitter for iPhone
 
Twitter
Tyler (The Ghost™) Casper
@tyler_casper
Is there ever a day that mattresses are not on sale?
10:35 PM · Apr 1, 2019·Sni.ps
 
Twitter
michael greer
@mgreer423
#YouKnowWhatIveNoticed
mattresses are never NOT on sale
12:03 AM · May 23, 2019·Twitter for Android
 
Twitter
Janet Schulte
@pommom5
Is there ever a day that mattresses are not on sale?
10:20 AM · Apr 21, 2020·Twitter Web App