Historical clue formulations

• Not plugged in — 2023-10-07
• Napping, so to speak — 2017-05-28
• Not clued in — 2017-01-12
• Napping — 2013-02-02
• Paying no attention — 2012-06-25
• Out of the loop — 2011-04-15
• Not in the know — 2011-01-03
• Not with it — 2009-05-30
• Oblivious — 2003-09-09
• Napping, so to speak — 2002-03-31
• Out of it — 2001-03-11
• Napping, so to speak — 2000-05-27
• Ignorant (of) — 1997-01-23
• Ignorant — 1996-05-11
• In the dark — 1995-12-31
• In the dark — 1995-11-19