Related Clues:

• Dreamt, perchance
• Was out all night, maybe
• Emulated Rip Van Winkle
• Recharged, say
• Took an 81 Across
• Took a catnap
• Caught some z’s
• Enjoyed a boring lecture?
• Wasn’t vigilant
• Didn't pull an all-nighter
• Took a nap, say
• Got some rack time
• Had a great night's rest
• Was out at night?
• Enjoyed REM, say