sleep on something, to(redirected from to sleep on something)
sleep on something
Consider something overnight before deciding, as in I don't know if I want to go on such a long hike; let me sleep on it. This usage was first recorded in 1519 in the state papers of King Henry VIII: "His Grace ... said that he would sleep and dream upon the matter."
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sleep on something, to
To postpone a decision until the next day. Both the idea and the expression are very old. The State Papers of HenryVIII (1519) by an unknown compiler stated, “His Grace . . . sayd thatt he wold slepe and drem upon the matter.”
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer