The curious expression graveyard slot has two main connotations:
- (television) the hours from late night until early morning when the number of people watching television is at its lowest. (Collins)
- Speakers and trainers often refer to the “graveyard slot”. By this they usually mean the first session after lunch when people are presumed to be a bit sleepy after eating.(alanmatthewstraining.com)
According to Ngram the expression is from the early '70s
There is an earlier and similar expression graveyard shift/watch which means:
The Graveyard Shift, or Graveyard Watch, was the name coined for the work shift of the early morning, typically midnight until 8am. The name originated in the USA at the latter end of the 1800s.
There's no evidence at all that it had anything directly to do with watching over graveyards, merely that the shifts took place in the middle of the night, when the ambience was quiet and lonely. (The Phrase Finder)
is there any evidence (apart from the obvious similarities) that "graveyard slot" derives from "graveyard shift"?
was the saying "graveyard slot" an AmE originally?
is it now mainly a BrE expression as Ngram appears to suggest?