Historical clue formulations

• Head-in-the-clouds — 2025-05-06
• Scatterbrained — 2024-12-13
• In la-la land — 2021-06-29
• Likely to zone out — 2019-08-27
• Airheaded — 2019-04-14
• Not all there — 2019-02-15
• Unfocused — 2017-09-22
• Airheaded — 2017-09-21
• In la-la land — 2017-05-21
• Airheaded — 2017-03-30
• Not focused — 2016-04-02
• Airheaded — 2015-10-08
• Constantly daydreaming, say — 2015-02-25
• Out of touch with reality — 2012-10-16
• In la-la land — 1999-08-28