Historical clue formulations

• Get 40 winks in 20 minutes, say — 2026-06-30
• Rejuvenating break — 2025-08-06
• Go out to get some juice? — 2021-06-06
• Office restoration — 2017-10-15
• Post-lunch pick-me-up — 2016-11-16
• Stopgap for an energy shortage — 2015-07-25
• Revitalizing snooze — 2015-06-10
• Afternoon office pick-me-up — 2013-12-30