Related Clues:

• Do a Van Winkle
• Sack time
• Get some shut-eye
• Remain idle
• Musical notation
• Conserve energy
• It's left (with "the")
• Take a break
• Remainder
• What Macbeth shall do no more
• Doctor's directive
• Insomniac's need
• Coleridge called it 'a gentle thing'
• Take 10
• Hit the sack