Related Clues:

• 'It was all a ___/I used to read 'Word Up' magazine'
• Reason for talking in one's sleep
• Night sights
• Visions of sugarplums, perhaps
• Use the mind's eye
• John Lennon classic
• Late-night vision
• Nighttime vision
• Vision that isn't real
• 1971 John Lennon song
• Conceive of
• "Think of it!"
• 1970s peace anthem
• Dorothy's visit to Oz, e.g.
• Overnight sensation