Related Clues:

• Not yet up
• Like an object in Newton's Law of Inertia
• Reading position, often
• Abed
• Reading position, sometimes
• Like most people in the middle of the night
• Taking a break
• Retired, in a way
• Doing nothing
• Still snoozing
• Nodding off
• Like Frere Jacques
• Down for the night
• Kicking back
• Not yet awake