Related Clues:

• Ready to retire?
• Bashful friend?
• Laid up, so to speak
• "The Legend of __ Hollow"
• Lying, in a way
• Not up and about
• Inclined to doze
• Not 1 Across
• Opposite of up
• Under cover, perhaps
• Sleeping, most likely
• Having hit the hay
• Like many of us at midnight
• In the Land of Nod
• All tucked in for the night