Historical clue formulations

• Lethargy — 2019-05-21
• Torpor — 2016-12-21
• Not-so-good feeling — 2007-10-26
• Funk — 2005-01-22
• Early sickness symptom — 2002-11-30
• Lethargy — 2002-09-09
• Listlessness — 2001-07-09
• Crummy feeling — 2001-05-09
• Lethargic feeling — 1996-12-18
• Some discomfort — 1996-05-18
• Lack of oomph — 1994-01-13