Related Clues:

• It has you seeing things
• X-ray spec
• 'The One I Love' singers
• Awesome
• 'Totally cool!'
• Dreamy state?
• Totally awesome
• “Far out, man”
• Dream-period acronym
• Way cool
• ''Far out!'' to a physicist?
• Kind of sleep
• Circle meas.
• Sleep stage
• 'Cool, man!'