Historical clue formulations

• Sound-asleep sounds — 2025-04-20
• Sleeps sound-ly? — 2024-05-27
• Makes some Z's — 2022-08-07
• Bad things for a lecturer to hear — 2022-06-10
• Is stertorous — 2021-02-07
• Snarkily indicates one's boredom — 2019-10-29
• Sounds from a sound sleeper? — 2014-06-09
• Sounds from barracks, maybe — 2011-02-02
• Disturbs the peace, in a way — 2007-06-14
• Big bores, slangily — 2003-10-26
• Needs to roll over, perhaps — 1998-07-18
• Bedtime annoyances — 1994-01-18