Related Clues:
- Dec. 24 and 31, famously
- December has two big ones
- Twilight times, briefly
- Anticipatory periods
- Times of fitful sleep, maybe
- Hangovers reported from previous days
- Times when you might have trouble sleeping
- Previous night's sample of herringbone vests
- 12/31 et al
- Eventides
- Big party nights
- Festive nights, perhaps
- Lead-in days
- Pre-event periods
- December 24 and 31, e.g