Related Clues:
- Colorful warning, often
- Wide awake to a siren call
- Not in the realm of Morpheus
- No sleep at the end
- Danger signal, e.g
- Keenly attentive
- Sharp tip off
- Up for the day
- All-points bulletin, e.g
- Like prairie dogs, notably
- Offer a heads-up
- Keeping one's eyes peeled at crumbling alter
- Up for going to heaven!
- Watch chain not originally belonging on watch?
- Up and just before going down?