Related Clues:

• With one's sweetie, say
• Like Frere Jacques
• Down for the night
• Not yet awake
• Still in the sack
• Out for dinner, maybe
• Out and about
• Still snoring
• With "slug," a lazybones
• Horizontal, perhaps
• Out socially
• Under covers
• Like many sleepers
• Resting, say
• All tucked in