Historical clue formulations

• Use for sleeping, say — 2025-07-13
• Rest atop — 2023-11-12
• Test, as a new mattress — 2022-07-31
• Use, as a towel at the shore — 2022-04-18
• Rest atop — 2021-12-22
• Treat as a bed — 2020-08-02
• Use, as a mattress — 2019-10-30
• Use for a bed — 2019-03-07
• Use, as a mattress — 2018-12-21
• Rest atop — 2017-09-11
• Use as a bed — 2016-07-10
• Rest atop — 2013-02-19
• Use as a crash site? — 2011-07-02
• Rest atop — 2011-05-25
• Rest atop — 2011-05-17
• Use as a bed — 2008-12-31
• Rest atop — 2006-10-02
• Rest atop — 2006-01-17
• Use, as a chaise longue — 1998-12-07
• Use, as a cot — 1998-03-11
• Squash — 1994-08-04