Related Clues:

• Lacking energy
• Ready for a nap
• Eager to sleep
• With 5-Down, run down
• Ready to rest
• Worn-out
• Tuckered out or ready to roll?
• Plain tuckered out
• Sick partner
• Ready to 126 Across
• Ready to roll? ... or not ready to roll?
• Out of energy
• Ran out of steam
• In need of a nap
• Zonked