Related Clues:

• Out, socially
• Still under cover
• Already retired
• Unwell, perhaps
• Out at the prom, maybe
• Emulating a sleepyhead
• Undercover?
• Tucked in
• Under cover?
• Retired for the night
• Tucked in for the night
• In the sack
• Tucked-in
• Sawing logs
• Slumbering