Quote Originally Posted by SandraT
Vicente, HOW COME YOU'RE ALWAYS RIGHT??? I have been reading the posts and since it is a very interesting thread (I love anything that has to do with literature) I made a small search and it turns out this phrase is part of the book
The Art of Growing Older by Wayne Booth. haven't read it so I can't comment anything on that!

Purel luck Sandra!

It just sounded (looked) like old-style English literature. And the phrase "you can keep your sleep" definitely implies that the writer doesn't want it.

Thanks to Pablo for confirming its meaning and thank you Sandra for providing us with its origen.