Related Clues:

• Unwell, perhaps
• 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
• Dreaming, perhaps
• In dreamland, perhaps
• In dreamland
• Not yet risen